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发明名称
Improvements in thread-advancing devices
摘要
申请公布号
GB622263(A)
申请公布日期
1949.04.28
申请号
GB19460037370
申请日期
1946.12.19
申请人
AMERICAN VISCOSE CORPORATION
发明人
分类号
D01D10/04
主分类号
D01D10/04
代理机构
代理人
主权项
地址
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