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公开(公告)号:US2364475A
公开(公告)日:1944-12-05
申请号:US45052842
申请日:1942-07-11
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
CPC classification number: B27B5/201 , B23D47/025 , Y10T83/889
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公开(公告)号:US2022433A
公开(公告)日:1935-11-26
申请号:US61161532
申请日:1932-05-16
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: B23D61/02
CPC classification number: B23D61/023 , Y10T83/768 , Y10T83/9326
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公开(公告)号:US1935377A
公开(公告)日:1933-11-14
申请号:US30488528
申请日:1928-09-10
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: E04G25/08
CPC classification number: E04G25/08
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公开(公告)号:US1922748A
公开(公告)日:1933-08-15
申请号:US33504929
申请日:1929-01-25
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: E04G25/08
CPC classification number: E04G25/08 , Y10T74/1553
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公开(公告)号:US1922747A
公开(公告)日:1933-08-15
申请号:US33504829
申请日:1929-01-25
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: E04G25/08
CPC classification number: E04G25/08 , Y10T74/1553
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公开(公告)号:US1843631A
公开(公告)日:1932-02-02
申请号:US30539428
申请日:1928-09-12
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: E04G25/08
CPC classification number: E04G25/08 , Y10T74/1587
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公开(公告)号:US3299634A
公开(公告)日:1967-01-24
申请号:US45344765
申请日:1965-05-05
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
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公开(公告)号:US2220284A
公开(公告)日:1940-11-05
申请号:US20528938
申请日:1938-04-30
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: B60B3/04
CPC classification number: B60B3/04 , Y10T29/49501
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公开(公告)号:US1906721A
公开(公告)日:1933-05-02
申请号:US40393229
申请日:1929-11-01
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
IPC: E04G13/02
CPC classification number: E04G13/025
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公开(公告)号:US3207008A
公开(公告)日:1965-09-21
申请号:US24712962
申请日:1962-12-26
Applicant: ROEMER RALPH R
Inventor: ROEMER RALPH R
CPC classification number: B23Q5/26 , Y10S82/90 , Y10T408/6757
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