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发明名称
Tight winding device
摘要
申请公布号
US2218889(A)
申请公布日期
1940.10.22
申请号
US19390269241
申请日期
1939.04.21
申请人
FRITZ MARTI
发明人
MARTI FRITZ
分类号
G04B37/10
主分类号
G04B37/10
代理机构
代理人
主权项
地址
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