Breathing mask, especially a half mask or a full mask provided w

Details Breathing mask, especially a half mask or a full mask provided w Breathing mask, especially a half mask or a full mask provided w

1975-09-22

1977-11-08

Michell, Robert W.

Surgery

Truss

Pad

A62B 700

Patent

active

040570576

ABSTRACT:
A gas mask, especially a half mask or a full mask provided with an inner mask, and having protective glasses or spectacles and means for attaching them to the half mask or directly to the inner mask.

REFERENCES:
patent: 2905172 (1959-09-01), Rodenhouse
patent: 2951418 (1960-09-01), Bitner et al.

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