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公开(公告)号：US1276109A
公开(公告)日：1918-08-20
申请号：US13895516
申请日：1916-12-26
Applicant: PRIBIL ALEXIS R
Inventor： PRIBIL ALEXIS R
CPC classification number: F16C7/023 , F16C7/08 , Y10T74/2153
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