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发明名称
Camera
摘要
申请公布号
US2356960(A)
申请公布日期
1944.08.29
申请号
US19410407723
申请日期
1941.08.21
申请人
GENERAL PRINTING INK CORPORATION
发明人
WEKEMAN STEPHEN N.
分类号
G03B27/32
主分类号
G03B27/32
代理机构
代理人
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