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经营范围
发明名称
Improvements in or relating to typewriter ribbons and the like
摘要
申请公布号
GB630915(A)
申请公布日期
1949.10.24
申请号
GB19470008820
申请日期
1947.04.01
申请人
BRITISH CELANESE LIMITED
发明人
分类号
B41J31/04
主分类号
B41J31/04
代理机构
代理人
主权项
地址
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