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发明名称
Locking device for film winding mechanism
摘要
申请公布号
US2241122(A)
申请公布日期
1941.05.06
申请号
US19390278307
申请日期
1939.06.09
申请人
EASTMAN KODAK COMPANY
发明人
DROTNING HENRY O.
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
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地址
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