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发明名称
Cone winder guide
摘要
申请公布号
US2390669(A)
申请公布日期
1945.12.11
申请号
US19440554748
申请日期
1944.09.19
申请人
CELANESE CORPORATION
发明人
STEARN WILLIAM T.
分类号
B65H57/00
主分类号
B65H57/00
代理机构
代理人
主权项
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