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发明名称
Means for the change-over control of moving picture apparatus
摘要
申请公布号
US2036306(A)
申请公布日期
1936.04.07
申请号
US19320644604
申请日期
1932.11.28
申请人
HOFFMAN-SOONS ELECTRICAL & ENGINEERING CORPORATION
发明人
SOONS JAMES E.
分类号
G03B21/34
主分类号
G03B21/34
代理机构
代理人
主权项
地址
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