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经营范围
发明名称
Improvements in or relating to the ring-spinning of yarns
摘要
申请公布号
GB565533(A)
申请公布日期
1944.11.15
申请号
GB19430003338
申请日期
1943.03.01
申请人
BRITISH CELANESE LIMITED
发明人
分类号
D01H1/36
主分类号
D01H1/36
代理机构
代理人
主权项
地址
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