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发明名称
Production of cinematograph film
摘要
申请公布号
US1930291(A)
申请公布日期
1933.10.10
申请号
US19310584194
申请日期
1931.12.31
申请人
EDWARD THORNTON JOHN
发明人
THORNTON JOHN EDWARD
分类号
G03C7/22
主分类号
G03C7/22
代理机构
代理人
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