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发明名称
Light control for cameras
摘要
申请公布号
US1966803(A)
申请公布日期
1934.07.17
申请号
US19310531202
申请日期
1931.04.18
申请人
MORENO-SNYDER CINE CORPORATION
发明人
MORENO GABRIEL GARCIA
分类号
G03B41/08
主分类号
G03B41/08
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代理人
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