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公开(公告)号:US1844244A
公开(公告)日:1932-02-09
申请号:US36936129
申请日:1929-06-08
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A
IPC: F16H1/02
CPC classification number: F16H1/02 , Y10T74/138
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公开(公告)号:US1671100A
公开(公告)日:1928-05-29
申请号:US68193923
申请日:1923-12-21
Applicant: BETHLEHEM STEEL CORP
Inventor: CORT STEWART J , TIMOTHY BURNS , DOUGHERTY ROBERT S A , LEHR CHARLES E
IPC: F28D17/00
CPC classification number: F28D17/00
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公开(公告)号:US2516190A
公开(公告)日:1950-07-25
申请号:US58710645
申请日:1945-04-07
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A , EBERHARDT JOHN E
IPC: C21B7/00
CPC classification number: C21B7/007
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公开(公告)号:US1723470A
公开(公告)日:1929-08-06
申请号:US12253326
申请日:1926-07-15
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A , SALSICH NEIL E
IPC: E01B13/02
CPC classification number: E01B13/02 , E01B2201/02 , E01B2201/08
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公开(公告)号:US2396461A
公开(公告)日:1946-03-12
申请号:US52386244
申请日:1944-02-25
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A , EBERHARDT JOHN E
IPC: C21C5/04
CPC classification number: C21C5/04
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公开(公告)号:US2135658A
公开(公告)日:1938-11-08
申请号:US19269638
申请日:1938-02-26
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A
IPC: C21B3/10
CPC classification number: C21B3/10
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公开(公告)号:US1710354A
公开(公告)日:1929-04-23
申请号:US13060626
申请日:1926-08-21
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A , MCGREW JOHN A
IPC: B61C15/02
CPC classification number: B61C15/02 , Y10T74/138
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公开(公告)号:US2717829A
公开(公告)日:1955-09-13
申请号:US19066950
申请日:1950-10-17
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A
IPC: C22B23/00
CPC classification number: C22B23/0446
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公开(公告)号:US2666003A
公开(公告)日:1954-01-12
申请号:US7723449
申请日:1949-02-18
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A , CHAMBERLIN ALAN C , NIEMAN HENRY W
CPC classification number: C21D9/561 , C21D8/0242 , Y02P10/122
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公开(公告)号:US1775850A
公开(公告)日:1930-09-16
申请号:US15413226
申请日:1926-12-11
Applicant: BETHLEHEM STEEL CORP
Inventor: DOUGHERTY ROBERT S A
IPC: E02D5/04
CPC classification number: E02D5/04