Diving mask

Equipment for safety – protection – and rescue – Fire extinguisher or casing therefor – Portable or hand held

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D16107

Patent

active

D02907631

REFERENCES:
patent: 3694814 (1972-10-01), De Barbieri et al.
patent: 4087865 (1978-05-01), Garofalo
patent: 4171543 (1979-10-01), Cressi
Skin Diver, Feb. 1980, p. 62, Farallon-Oceanic, Prismatic Mask #05-2000.
Skin Diver, Feb. 1983, p. 21, Oceanic Mask.

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