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发明名称
Improvements in the manufacture of carbon paper
摘要
申请公布号
GB448578(A)
申请公布日期
1936.06.11
申请号
GB19350010481
申请日期
1935.04.04
申请人
IRMGARD BURGMER
发明人
分类号
B41L1/00
主分类号
B41L1/00
代理机构
代理人
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