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11.发明授权Arrangement for starting lighting regulation on dimmer control in stage lighting 失效舞台灯光调光控制启动灯光调节的安排
公开(公告)号：US2504619A
公开(公告)日：1950-04-18
申请号：US8086249
申请日：1949-03-11
Applicant: ASEA AB
Inventor： ALGOT ARVIDSSON
IPC: H05B37/02
CPC classification number: H05B37/029 , Y10T307/453
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