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公开(公告)号:US697874A
公开(公告)日:1902-04-15
申请号:US1901055067
申请日:1901-04-09
Applicant: OLDHAM JOSHUA
Inventor: OLDHAM JOSHUA
CPC classification number: B65G2201/04
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公开(公告)号:US836988A
公开(公告)日:1906-11-27
申请号:US1905279352
申请日:1905-09-20
Applicant: OLDHAM JOSHUA
Inventor: OLDHAM JOSHUA
CPC classification number: B23D61/06 , Y10T83/9343
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公开(公告)号:US659094A
公开(公告)日:1900-10-02
申请号:US1899725265
申请日:1899-07-27
Applicant: OLDHAM JOSHUA
Inventor: OLDHAM JOSHUA
CPC classification number: B23D61/06 , Y10T83/9343
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