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公开(公告)号:US2037270A
公开(公告)日:1936-04-14
申请号:US67757433
申请日:1933-06-26
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: B42F13/08
CPC classification number: B42F13/08
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公开(公告)号:US2010563A
公开(公告)日:1935-08-06
申请号:US56675531
申请日:1931-10-03
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
CPC classification number: F02M19/122 , F02M7/12 , F02M9/106
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公开(公告)号:US2002678A
公开(公告)日:1935-05-28
申请号:US50102630
申请日:1930-12-09
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: H04N3/38
CPC classification number: H04N3/38
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公开(公告)号:US1929519A
公开(公告)日:1933-10-10
申请号:US31112728
申请日:1928-10-08
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: G03B31/00
CPC classification number: G03B31/00
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公开(公告)号:US1843093A
公开(公告)日:1932-01-26
申请号:US8936326
申请日:1926-02-19
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: G03B9/10
CPC classification number: G03B9/10
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公开(公告)号:US1826715A
公开(公告)日:1931-10-13
申请号:US47368430
申请日:1930-08-07
Applicant: BAKER HAROLD C , ROSS OSCAR A
Inventor: BAKER HAROLD C , ROSS OSCAR A
IPC: H03J1/02
CPC classification number: H03J1/02
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公开(公告)号:US1819844A
公开(公告)日:1931-08-18
申请号:US22178527
申请日:1927-09-24
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: G03B19/18
CPC classification number: G03B19/18
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公开(公告)号:US1818650A
公开(公告)日:1931-08-11
申请号:US18079827
申请日:1927-04-04
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: F16B41/00
CPC classification number: F16B41/005
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公开(公告)号:US1796725A
公开(公告)日:1931-03-17
申请号:US19322027
申请日:1927-05-21
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
IPC: G03B19/18
CPC classification number: G03B19/18
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公开(公告)号:US1782148A
公开(公告)日:1930-11-18
申请号:US22885927
申请日:1927-10-26
Applicant: ROSS OSCAR A
Inventor: ROSS OSCAR A
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