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发明名称
Moving sound picture film
摘要
申请公布号
US1835536(A)
申请公布日期
1931.12.08
申请号
US19280326012
申请日期
1928.12.14
申请人
SPONABLE EARL I
发明人
SPONABLE EARL I.
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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