Combined smoke and fume shield

Equipment for safety – protection – and rescue – Body restraint or protective covering – Cranial

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D03671330

REFERENCES:
patent: D126862 (1941-04-01), Ackerman
patent: 1482270 (1924-01-01), Shuster
patent: 2280668 (1942-04-01), Sherlock
patent: 2332662 (1943-10-01), Nathanson
patent: 2365656 (1944-12-01), Lamsa
patent: 2869132 (1959-01-01), Drummond
patent: 3423763 (1969-01-01), Schwartz
patent: 3505678 (1970-04-01), Key
patent: 3521629 (1970-07-01), Reynolds
patent: 3582989 (1971-06-01), Fassbender
patent: 4583535 (1986-04-01), Saffo
patent: 5003974 (1991-04-01), Mou
patent: 5322059 (1994-06-01), Walther

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