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发明名称
Sound recording camera
摘要
申请公布号
US1996732(A)
申请公布日期
1935.04.02
申请号
US19320633910
申请日期
1932.09.19
申请人
WHITMAN SOUND SYSTEMS, LTD.
发明人
WHITMAN STEWART C.
分类号
G03B31/02
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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