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发明名称
Improvements in and relating to the production of spot carbon papers
摘要
申请公布号
GB396516(A)
申请公布日期
1933.08.10
申请号
GB19320014155
申请日期
1932.05.18
申请人
GEORGE ADAM RUTKOSKIE
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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