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公开(公告)号:US2260422A
公开(公告)日:1941-10-28
申请号:US31635640
申请日:1940-01-30
Applicant: UNSINGER HAROLD F
Inventor: UNSINGER HAROLD F
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公开(公告)号:US1530411A
公开(公告)日:1925-03-17
申请号:US66792323
申请日:1923-10-11
Applicant: SOPHIE RESTCHAK
Inventor: SOPHIE RESTCHAK
IPC: B04B11/00
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公开(公告)号:US1517725A
公开(公告)日:1924-12-02
申请号:US57915922
申请日:1922-08-02
Applicant: THOMAS GOSSMAN LEO
Inventor: THOMAS GOSSMAN LEO
IPC: B04B11/00
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公开(公告)号:US1281259A
公开(公告)日:1918-10-15
申请号:US9596816
申请日:1916-05-06
Applicant: AMMANN HERMAN
Inventor: AMMANN HERMAN
CPC classification number: A01J11/10
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公开(公告)号:US914488A
公开(公告)日:1909-03-09
申请号:US1907400403
申请日:1907-11-02
Applicant: WILBUR W MARSH
Inventor: HACKETT CHARLES H , MORGAN THOMAS W
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公开(公告)号:US914487A
公开(公告)日:1909-03-09
申请号:US1907373180
申请日:1907-05-11
Applicant: WILBUR W MARSH
Inventor: HACKETT CHARLES H
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