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发明名称
CONTROL CIRCUIT FOR SINGLE FRAME FILM ADVANCE AUDIO PROJECTOR
摘要
申请公布号
US3700319(A)
申请公布日期
1972.10.24
申请号
USD3700319
申请日期
1971.01.12
申请人
OPTISONICS CORP.
发明人
HAROLD GALLINA
分类号
G03B19/18;G03B31/02;(IPC1-7):G03B31/00;H01J39/12;H03K3/42
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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