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发明名称
Viscose manufacturing
摘要
申请公布号
US1866558(A)
申请公布日期
1932.07.12
申请号
US19280327461
申请日期
1928.12.20
申请人
FRENKEL ISAAK J
发明人
FRENKEL ISAAK J.
分类号
D01F2/06
主分类号
D01F2/06
代理机构
代理人
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地址
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