Gas mask

Details Gas mask Gas mask

1989-11-16

1991-10-08

Chin, Kay H.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

D29 8

Patent

active

D03206777

REFERENCES:
patent: D294410 (1988-02-01), Montest
patent: 4688567 (1987-08-01), Kikuchi et al.
patent: 4945907 (1990-08-01), Tayebi

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