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公开(公告)号：US2346220A
公开(公告)日：1944-04-11
申请号：US40959241
申请日：1941-09-04
Applicant: PROSPERITY CO INC
Inventor： KIENZLE LESTER C , WOLLNER HERBERT J
CPC classification number: G01N1/04 , G01N33/362 , Y10T408/50 , Y10T408/655 , Y10T408/895
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