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发明名称
Combination projector and soundreproducing assembly
摘要
申请公布号
US2027191(A)
申请公布日期
1936.01.07
申请号
US19330651033
申请日期
1933.01.10
申请人
MORRISSEY WILLIAM J
发明人
MORRISSEY WILLIAM J.
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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