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发明名称
Photography
摘要
申请公布号
US1812448(A)
申请公布日期
1931.06.30
申请号
US19270227145
申请日期
1927.10.19
申请人
REILLY JOHN J;GILMARTIN WILLIAM A
发明人
REILLY JOHN J.;GILMARTIN WILLIAM A.
分类号
G03B27/08
主分类号
G03B27/08
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代理人
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