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发明名称
Automatic take-up device
摘要
申请公布号
US2310947(A)
申请公布日期
1943.02.16
申请号
US19410408066
申请日期
1941.08.23
申请人
FISCHER WILLIAM R
发明人
FISCHER WILLIAM R.
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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