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发明名称
Motion-picture film winder
摘要
申请公布号
US2663509(A)
申请公布日期
1953.12.22
申请号
US19490106051
申请日期
1949.07.21
申请人
HINCHMAN ALVA K
发明人
HINCHMAN ALVA K.
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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