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发明名称
Thread breaker
摘要
申请公布号
US2392268(A)
申请公布日期
1946.01.01
申请号
US19440538242
申请日期
1944.06.01
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
SCHMIDT EDGAR H.
分类号
B65H63/036;D01D10/04
主分类号
B65H63/036
代理机构
代理人
主权项
地址
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