A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
2/45
A62B 7/00 (2006.01) A41D 13/11 (2006.01)
Patent
CA 1116351
27,47? DISPOSABLE DUST RESPIRATOR ABSTRACT OF THE DISCLOSURE A disposable dust respirator which is self-opening and extends away from the mouth to provide more comfortable use.
327161
American Cyanamid Company
Smart & Biggar
LandOfFree
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