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公开(公告)号:US2129904A
公开(公告)日:1938-09-13
申请号:US17992737
申请日:1937-12-15
Applicant: CURTIS PUBLISHING COMPANY
Inventor: BLAETZ HARRY M
IPC: C21D9/00
CPC classification number: C21D9/005
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公开(公告)号:US1989635A
公开(公告)日:1935-01-29
申请号:US62785632
申请日:1932-08-08
Applicant: CURTIS PUBLISHING COMPANY
Inventor: DETWILER WARREN B
IPC: B41L47/02
CPC classification number: B41L47/02
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公开(公告)号:US1164548A
公开(公告)日:1915-12-14
申请号:US2992715
申请日:1915-05-22
Applicant: CURTIS PUBLISHING COMPANY
Inventor: REHFUSS MARTIN O , REHFUSS JOHN GEORGE
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公开(公告)号:US1006009A
公开(公告)日:1911-10-17
申请号:US1909534410
申请日:1909-12-22
Applicant: CURTIS PUBLISHING COMPANY
Inventor: SARGENT WILLIAM P
CPC classification number: A01F15/0715
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