Portable oxygen reservoir

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

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D02837412

REFERENCES:
patent: D203787 (1966-02-01), Dyer
patent: D231571 (1974-04-01), Parker
patent: D236388 (1975-08-01), Walters
patent: 3080586 (1963-03-01), Steinke
patent: 3338238 (1967-08-01), Warncke
patent: 3392724 (1968-07-01), Cowley
patent: 3491752 (1970-01-01), Cowley
patent: 3502075 (1970-03-01), Cowley
patent: 3505996 (1970-04-01), Cowley
patent: 3505997 (1970-04-01), Cowley
patent: 3762407 (1973-10-01), Shonerd
patent: 3762604 (1973-10-01), Shonerd
patent: 4221216 (1980-09-01), Kranz

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