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公开(公告)号:US2494881A
公开(公告)日:1950-01-17
申请号:US60299645
申请日:1945-07-03
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
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公开(公告)号:US2658248A
公开(公告)日:1953-11-10
申请号:US27057152
申请日:1952-02-08
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
IPC: F16B37/04
CPC classification number: F16B37/042 , Y10S411/97
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公开(公告)号:US2540790A
公开(公告)日:1951-02-06
申请号:US60959545
申请日:1945-08-08
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
IPC: F16B5/12
CPC classification number: F16B5/125 , F16B5/128 , Y10T24/307
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公开(公告)号:US2529219A
公开(公告)日:1950-11-07
申请号:US60959645
申请日:1945-08-08
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
CPC classification number: F16B13/02 , F16B9/02 , F16B21/20 , Y10S16/30 , Y10T16/506 , Y10T403/7039
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公开(公告)号:US2504986A
公开(公告)日:1950-04-25
申请号:US1538148
申请日:1948-03-17
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
IPC: F16B5/06
CPC classification number: F16B5/06 , Y10S220/03 , Y10T24/3459 , Y10T24/4406
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公开(公告)号:US2580930A
公开(公告)日:1952-01-01
申请号:US20648051
申请日:1951-01-17
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
IPC: B21D28/34
CPC classification number: B21D28/34 , Y10T279/17196 , Y10T279/17786
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公开(公告)号:US2588251A
公开(公告)日:1952-03-04
申请号:US12785549
申请日:1949-11-17
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
CPC classification number: F16B5/125 , F16B2/245 , F16B5/045 , F16L3/13 , Y10T292/0817
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公开(公告)号:US2494882A
公开(公告)日:1950-01-17
申请号:US61735345
申请日:1945-09-19
Applicant: PRESTOLE CORP
Inventor: KOST HAROLD W
IPC: F16B37/02
CPC classification number: F16B37/02 , Y10S411/918 , Y10S411/966
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