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公开(公告)号:US2142620A
公开(公告)日:1939-01-03
申请号:US13715937
申请日:1937-04-16
Applicant: STANLEY MARVIN L
Inventor: STANLEY MARVIN L
CPC classification number: B26F1/382 , B23D49/162 , B23D51/16 , B26F1/38 , Y10S83/916
公开(公告)号:US2142620A
公开(公告)日:1939-01-03
申请号:US13715937
申请日:1937-04-16
Applicant: STANLEY MARVIN L
Inventor: STANLEY MARVIN L
CPC classification number: B26F1/382 , B23D49/162 , B23D51/16 , B26F1/38 , Y10S83/916