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发明名称
Photographic camera
摘要
申请公布号
US2178344(A)
申请公布日期
1939.10.31
申请号
US19380186312
申请日期
1938.01.22
申请人
ERNST LEITZ, G.M.B.H.
发明人
LEITZ LUDWIG;ALBERT WILHELM
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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