Разлика между версии на „Своевременна подмяна на респираторните филтри“

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<ref name="Freidank-1918"> Freidank M., Coym J. and Schubert A. (1989) Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases, Auergesellschaft GMBH, [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=4873970.PN.&OS=PN/4873970&RS=PN/4873970 Patent No. US4873970]</ref>
 
<ref name="Stetter-1991">{{cite journal|last =Maclay G.J., Yue C., Findlay M.W. and Stetter J.R |title=A prototype active end-of-service-life indicator for respirator cartridges |lang=en|издание=Applied Occupational and Environmental Hygiene|publisher=Taylor and Francis|year=2001|volume=6|issue=8|pages=677—682|issn=1047-322X |doi=10.1080/1047322X.1991.10387960 }}
 
Stetter J.R. and Maclay G.J. (1996) Chemical sensing apparatus and methods, Transducer Research Inc., [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5512882.PN.&OS=PN/5512882&RS=PN/5512882 Patent No. US5512882 ]</ref>
 
<ref name="Linders-2001"> Linders M.J.G., Bal E.A., Baak P.J., Hoefs J.H.M. and van Bokhoven J.J.G.M. (2001) [https://www.semanticscholar.org/paper/FURTHER-DEVELOPMENT-OF-AN-END-OF-SERVICE-LIFE-FOR-Linders-Bal/23218ca5d77cdedccde83819e92e747fc7ba6e32 Further development of an end of service life indicator for activated carbon filters], Carbon '01, University of Kentucky Center for Applied Energy Research, Lexington, Kentucky, United States</ref>
<ref name="Jager-1999">Jager H. and Van de Voorde M.J. (1999) Device for removing one or more undesirable or dangerous substances from a gas or vapor mixture and a gas mask comprising such a device, Nederlandse Organisatie Voor Toegepastnatuurwetenschappelijk Onderzoek TNO, [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5944873.PN.&OS=PN/5944873&RS=PN/5944873 Patent No. US5944873] </ref>
<ref name="Leichnitz-1987">Leichnitz K. (1987) Colorimetric indicator for the indication of the exhaustion of gas filters, Dragerwerk AG, Germany, [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=4684380.PN.&OS=PN/4684380&RS=PN/4684380 Patent No. US4684380.]</ref>
<ref name="Wallace-1975">Wallace R.A. (1975) Chemically activated warning system, Wallace, R. A., Patent No. [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=3902485.PN.&OS=PN/3902485&RS=PN/3902485 US3902485.]
 
Wallace R.A. (1975) Thermally activated warning system, Patent No. [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=3911413.PN.&OS=PN/3911413&RS=PN/3911413 US3911413] </ref>
<ref name="Roberts-1976">Roberts C.C. (1976) Colorimetric vinyl chloride indicator, Catalyst Research Corporation, [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=3966440.PN.&OS=PN/3966440&RS=PN/3966440 Patent No. US3966440].</ref>
 
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