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发明名称
ROLL FILM WINDING MECHANISM
摘要
申请公布号
CA436060(A)
申请公布日期
1946.07.30
申请号
CAD436060
申请日期
申请人
BARNET ENSIGN LIMITED
发明人
DOUGLAS GORDON HUNTER
分类号
主分类号
代理机构
代理人
主权项
地址
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