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公开(公告)号：US1996689A
公开(公告)日：1935-04-02
申请号：US53626031
申请日：1931-05-09
Applicant: ADOLF ROHS
Inventor： ADOLF ROHS
CPC classification number: D07B1/08 , D07B1/0693 , D07B7/025 , D07B2201/2002 , D07B2201/2007
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