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发明名称
Apparatus for spinning rayon
摘要
申请公布号
US2246990(A)
申请公布日期
1941.06.24
申请号
US19370173691
申请日期
1937.11.09
申请人
WILHELM WUPPERMANN
发明人
WUPPERMANN WILHELM
分类号
D01D5/18
主分类号
D01D5/18
代理机构
代理人
主权项
地址
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