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经营范围
发明名称
Improvements relating to sheet materials
摘要
申请公布号
GB569738(A)
申请公布日期
1945.06.06
申请号
GB19430011740
申请日期
1943.07.19
申请人
BRITISH CELANESE LIMITED
发明人
分类号
D21H13/06
主分类号
D21H13/06
代理机构
代理人
主权项
地址
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