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发明名称
Film winding mechanism for cameras
摘要
申请公布号
US2926574(A)
申请公布日期
1960.03.01
申请号
US19580719918
申请日期
1958.03.07
申请人
FRANKE & HEIDECKE, FABRIK PHOTOGRAPHISCHER PRAZISIONS-APPARATE
发明人
BETHMANN GUSTAV
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
主权项
地址
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