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公开(公告)号:CA508460A
公开(公告)日:1954-12-28
申请号:CA508460D
Applicant: COOK HARRY A , COOK ISABEL
Inventor: COOK ISABEL , COOK HARRY A
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公开(公告)号:US1169011A
公开(公告)日:1916-01-18
申请号:US1914863729
申请日:1914-09-26
Applicant: COOK HARRY A
Inventor: COOK HARRY A
CPC classification number: H01B17/22 , Y10T403/70
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公开(公告)号:US1776182A
公开(公告)日:1930-09-16
申请号:US32916228
申请日:1928-12-29
Applicant: COOK HARRY A
Inventor: COOK HARRY A
IPC: G09F13/00
CPC classification number: G09F13/00 , Y10S362/812
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公开(公告)号:US1424157A
公开(公告)日:1922-08-01
申请号:US43590121
申请日:1921-01-08
Applicant: COOK HARRY A
Inventor: COOK HARRY A
IPC: A01G29/00
CPC classification number: A01G29/00
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公开(公告)号:US2117150A
公开(公告)日:1938-05-10
申请号:US11352136
申请日:1936-11-30
Applicant: COOK HARRY A
Inventor: COOK HARRY A
IPC: E01B13/02
CPC classification number: E01B13/02 , E01B2201/02 , E01B2201/04
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公开(公告)号:US1409833A
公开(公告)日:1922-03-14
申请号:US44516321
申请日:1921-02-15
Applicant: COOK HARRY A
Inventor: COOK HARRY A
IPC: G01C9/12
CPC classification number: G01C9/12
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