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1.Electric marking method, apparatus, and carrier for facsimile systems and the like 失效
Title translation: 用于传真系统的电标记方法,装置和载体等公开(公告)号:US2661998A
公开(公告)日:1953-12-08
申请号:US9075649
申请日:1949-04-30
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
CPC classification number: H04N1/23 , B41M5/00 , Y10S101/29 , Y10T428/24934 , Y10T428/31993
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公开(公告)号:US2547771A
公开(公告)日:1951-04-03
申请号:US15275550
申请日:1950-03-29
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B23K35/36
CPC classification number: B23K35/3612
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公开(公告)号:US2447362A
公开(公告)日:1948-08-17
申请号:US62613545
申请日:1945-11-01
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B01D9/00
CPC classification number: B01D9/00
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公开(公告)号:US2671264A
公开(公告)日:1954-03-09
申请号:US28976852
申请日:1952-05-24
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
CPC classification number: H05K3/3468 , B23K3/0684 , H05K2203/0776 , Y10S29/046 , Y10S428/939 , Y10T29/49142 , Y10T29/49885 , Y10T428/12396 , Y10T428/12431 , Y10T428/12569
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公开(公告)号:US2657458A
公开(公告)日:1953-11-03
申请号:US7366449
申请日:1949-01-29
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B23K35/26
CPC classification number: B23K35/268 , Y10S228/904
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7.
公开(公告)号:US2457599A
公开(公告)日:1948-12-28
申请号:US56072544
申请日:1944-10-27
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B23K1/08
CPC classification number: B23K1/08 , Y10T29/49213 , Y10T29/49993
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公开(公告)号:US2430581A
公开(公告)日:1947-11-11
申请号:US56581544
申请日:1944-11-29
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: C23C18/36
CPC classification number: C23C18/36
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9.Solder flux compositions containing an aryl biguanide hydrochloride 失效
Title translation: 含有芳基双胍盐酸盐的焊剂组合物公开(公告)号:US2690408A
公开(公告)日:1954-09-28
申请号:US20672951
申请日:1951-01-18
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B23K35/36
CPC classification number: B23K35/3612
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公开(公告)号:US2606807A
公开(公告)日:1952-08-12
申请号:US6344848
申请日:1948-12-03
Applicant: RCA CORP
Inventor: LEOPOLD PESSEL
IPC: B41M5/20
CPC classification number: B41M5/20
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