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发明名称
PHOTOGRAPHIC CURTAIN-TYPE SHUTTER
摘要
申请公布号
US3507202(A)
申请公布日期
1970.04.21
申请号
USD3507202
申请日期
1967.08.25
申请人
ROLLEI WERKE FRANKE & HEIDECKE
发明人
CLAUS PROCHNOW
分类号
G03B9/34;(IPC1-7):G03B9/28
主分类号
G03B9/34
代理机构
代理人
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地址
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