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公开(公告)号:US844164A
公开(公告)日:1907-02-12
申请号:US1906295304
申请日:1906-01-09
Applicant: JOSEPH A JEFFREY
Inventor: MILLER CHARLES W
CPC classification number: B61B10/04
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公开(公告)号:US630388A
公开(公告)日:1899-08-08
申请号:US1896701409
申请日:1896-11-20
Applicant: JOSEPH A JEFFREY
Inventor: MILLER CHARLES W
CPC classification number: B23D45/024
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