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公开(公告)号:US699128A
公开(公告)日:1902-05-06
申请号:US1900030504
申请日:1900-09-19
Applicant: ALLIS THOMAS V
Inventor: ALLIS THOMAS V
CPC classification number: C21D9/70
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22.
公开(公告)号:US641428A
公开(公告)日:1900-01-16
申请号:US1896582169
申请日:1896-03-07
Applicant: ALLIS THOMAS V
Inventor: ALLIS THOMAS V
CPC classification number: B21B45/004
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