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发明名称
Optical device for photography
摘要
申请公布号
US2257676(A)
申请公布日期
1941.09.30
申请号
US19370174110
申请日期
1937.11.11
申请人
ABEL GANCE;PIERRE ANGENIEUX
发明人
GANCE ABEL;ANGENIEUX PIERRE
分类号
G02B3/08
主分类号
G02B3/08
代理机构
代理人
主权项
地址
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