共 5 条
[1]
BALIEU E, 1977, APPARATUS TESTING FI
[2]
BARRACLOUGH R N J, 1976, Annals of Occupational Hygiene, V19, P351, DOI 10.1093/annhyg/19.3-4.351
[3]
MINIMUM PROTECTION FACTORS FOR RESPIRATORY PROTECTIVE DEVICES FOR FIREFIGHTERS
[J].
AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL,
1977, 38 (01)
:18-23
[4]
LETTS HJR, 1962, DESIGN USE RESPIRATO, P119
[5]
1974, DIN24184 DTSCH NORM