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公开(公告)号:US2491866A
公开(公告)日:1949-12-20
申请号:US46022642
申请日:1942-09-30
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ , WILLIAMS HAROLD G
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公开(公告)号:US2441126A
公开(公告)日:1948-05-11
申请号:US51810044
申请日:1944-01-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
CPC classification number: C22C19/002 , C22C1/0433
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公开(公告)号:US2467675A
公开(公告)日:1949-04-19
申请号:US47861043
申请日:1943-03-10
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ , WILLIAMS HAROLD G
CPC classification number: C22C1/045 , B22F1/0003 , B22F3/22 , B22F9/22 , Y10S75/95
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公开(公告)号:US2438221A
公开(公告)日:1948-03-23
申请号:US45467242
申请日:1942-08-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ , ENRICO ZAMPIERI
IPC: C22C19/07
CPC classification number: C22C19/07
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公开(公告)号:US2389060A
公开(公告)日:1945-11-13
申请号:US49858243
申请日:1943-08-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
IPC: H01J1/28
CPC classification number: H01J1/28 , Y10T428/12063 , Y10T428/12174 , Y10T428/2935
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公开(公告)号:US2374942A
公开(公告)日:1945-05-01
申请号:US51809944
申请日:1944-01-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
IPC: B21C3/18
CPC classification number: B21C3/18
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公开(公告)号:US2464517A
公开(公告)日:1949-03-15
申请号:US48681543
申请日:1943-05-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
CPC classification number: B22F3/1143 , B22F9/04 , B22F2998/00 , B22F2998/10 , Y10T428/12021 , Y10T428/12028 , Y10T428/12153 , B22F3/1109 , B22F1/02 , B22F3/001
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公开(公告)号:US2377159A
公开(公告)日:1945-05-29
申请号:US49236643
申请日:1943-06-26
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ , WALDIE JAMES D , JOSEPH SPINA
CPC classification number: C04B41/009 , C04B41/53 , C04B41/91 , Y10S451/908 , C04B35/52
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公开(公告)号:US2207380A
公开(公告)日:1940-07-09
申请号:US32944140
申请日:1940-04-13
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
IPC: C22C19/03
CPC classification number: C22C19/03
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公开(公告)号:US2471630A
公开(公告)日:1949-05-31
申请号:US62409545
申请日:1945-10-23
Applicant: CALLITE TUNGSTEN CORP
Inventor: JACOB KURTZ
IPC: C22C1/04
CPC classification number: C22C1/0433
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