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发明名称
Thread guide
摘要
申请公布号
US2388239(A)
申请公布日期
1945.11.06
申请号
US19440537743
申请日期
1944.05.27
申请人
AMERICAN VISCOSE CORPORATION
发明人
JR. FERDINAND A. DECKER,
分类号
B65H57/00
主分类号
B65H57/00
代理机构
代理人
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