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发明名称
Tonfilmantrieb
摘要
申请公布号
DE637052(C)
申请公布日期
1936.10.20
申请号
DE1932W088521D
申请日期
1932.03.17
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
分类号
G03B31/02
主分类号
G03B31/02
代理机构
代理人
主权项
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