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经营范围
发明名称
An improved process for making cuprammonium artificial silk
摘要
申请公布号
GB423642(A)
申请公布日期
1935.02.05
申请号
GB19340011458
申请日期
1934.04.16
申请人
BRITISH BEMBERG LIMITED
发明人
分类号
D01F2/04
主分类号
D01F2/04
代理机构
代理人
主权项
地址
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