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公开(公告)号:US3503040A
公开(公告)日:1970-03-24
申请号:US3503040D
申请日:1966-10-05
Applicant: BLISS CO
Inventor: HENDRICKS GEORGE DONALD
IPC: G08G1/08
CPC classification number: G08G1/08
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公开(公告)号:US3430069A
公开(公告)日:1969-02-25
申请号:US3430069D
申请日:1965-05-12
Applicant: BLISS CO
Inventor: HENDRICKS GEORGE DONALD
IPC: G08G1/07 , H03K17/28 , H03K17/292 , H03K19/34 , G08G1/095
CPC classification number: H03K17/28 , G08G1/07 , H03K17/292
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