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发明名称
Method of numbering moving picture films and apparatus therefor
摘要
申请公布号
US1948319(A)
申请公布日期
1934.02.20
申请号
US19310569980
申请日期
1931.10.20
申请人
REMAC PATENTS CORPORATION
发明人
JR. JOHN L. SPENCE,
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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