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发明名称
Friction resistance device for winding machines
摘要
申请公布号
US1791659(A)
申请公布日期
1931.02.10
申请号
US19280314860
申请日期
1928.10.25
申请人
CAMERON MACHINE COMPANY
发明人
CAMERON JAMES A.
分类号
B65H18/20
主分类号
B65H18/20
代理机构
代理人
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