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发明名称
Improvements in or relating to carbon paper
摘要
申请公布号
GB540148(A)
申请公布日期
1941.10.07
申请号
GB19400006220
申请日期
1940.04.05
申请人
ELEONORE RAITH
发明人
分类号
B41M5/10
主分类号
B41M5/10
代理机构
代理人
主权项
地址
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