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公开(公告)号:US2670146A
公开(公告)日:1954-02-23
申请号:US32776552
申请日:1952-12-24
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H54/40
CPC classification number: B65H54/40 , B65H2701/31 , Y10S242/914 , Y10T279/17017
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公开(公告)号:US2554493A
公开(公告)日:1951-05-29
申请号:US77002147
申请日:1947-08-22
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H59/24
CPC classification number: B65H59/24 , B65H2701/31
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公开(公告)号:US2717128A
公开(公告)日:1955-09-06
申请号:US29525352
申请日:1952-06-24
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H54/54
CPC classification number: B65H54/543 , B65H2701/31
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公开(公告)号:US2748797A
公开(公告)日:1956-06-05
申请号:US25548451
申请日:1951-11-08
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J , AXT WALLIS C
CPC classification number: F16K17/20 , F41A7/04 , Y10T137/7613 , Y10T137/7836 , Y10T137/7848 , Y10T137/88054
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公开(公告)号:US2627480A
公开(公告)日:1953-02-03
申请号:US4885548
申请日:1948-09-11
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: D06B1/14
CPC classification number: D06B1/14
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公开(公告)号:US2611548A
公开(公告)日:1952-09-23
申请号:US10393449
申请日:1949-07-09
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H54/28
CPC classification number: B65H54/2836 , B65H2701/31 , Y10T74/19688 , Y10T74/2101
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公开(公告)号:US2583568A
公开(公告)日:1952-01-29
申请号:US69511646
申请日:1946-09-06
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H59/18
CPC classification number: B65H59/18 , B65H2701/31 , Y10T74/18856
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公开(公告)号:US2750130A
公开(公告)日:1956-06-12
申请号:US31316452
申请日:1952-10-04
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J , WENTZ EDWARD A
IPC: B65H59/10
CPC classification number: B65H59/10 , B65H2701/31
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公开(公告)号:US2661913A
公开(公告)日:1953-12-08
申请号:US29525452
申请日:1952-06-24
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J , JOHN WARWICK
CPC classification number: B65H59/22 , B65H59/24 , B65H2601/524 , B65H2701/31
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公开(公告)号:US2642236A
公开(公告)日:1953-06-16
申请号:US16300150
申请日:1950-05-19
Applicant: SPECIALTIES DEV CORP
Inventor: HEIZER EDWARD J
IPC: B65H59/16
CPC classification number: B65H59/16 , B65H2701/31
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