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公开(公告)号：US2014378A
公开(公告)日：1935-09-17
申请号：US68345633
申请日：1933-08-03
Applicant: ALAN N MANN
Inventor： GARDINER JOHN B W , MANN RICHARD L
CPC classification number: B05C9/08 , F16L58/12 , Y10S118/11
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