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公开(公告)号:CA199628A
公开(公告)日:1920-04-27
申请号:CA199628D
Applicant: CHAPMAN MFG COMPANY
Inventor: KENDALL FRED
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公开(公告)号:US1292026A
公开(公告)日:1919-01-21
申请号:US20235617
申请日:1917-11-16
Applicant: CHAPMAN MFG COMPANY
Inventor: NORTH FRED K
IPC: D01H7/04
CPC classification number: D01H7/042
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公开(公告)号:US645681A
公开(公告)日:1900-03-20
申请号:US1899717144
申请日:1899-05-17
Applicant: CHAPMAN MFG COMPANY
Inventor: CHAPMAN ALBERT H
CPC classification number: F25C5/12 , B02C2201/066
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公开(公告)号:US1365647A
公开(公告)日:1921-01-18
申请号:US29412219
申请日:1919-05-01
Applicant: CHAPMAN MFG COMPANY
Inventor: ANDREWS EDWARD E
IPC: F16J15/32
CPC classification number: F16J15/3284
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公开(公告)号:US645680A
公开(公告)日:1900-03-20
申请号:US1899708800
申请日:1899-03-13
Applicant: CHAPMAN MFG COMPANY
Inventor: CHAPMAN ALBERT H
CPC classification number: A01K39/026
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