Filter mask

Details Filter mask Filter mask

1997-09-03

1999-10-05

Reid, Stella

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Article for the introduction, removal or collection of fluids

2902

Patent

active

D04148622

REFERENCES:
patent: 1292095 (1919-01-01), Schwartz
patent: 4195629 (1980-04-01), Halford
patent: 5701892 (1997-12-01), Bledstein

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