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发明名称
DUPLICATING RIBBONS AND METHOD OF PRODUCING SAME
摘要
申请公布号
CA766572(A)
申请公布日期
1967.09.05
申请号
CAD766572
申请日期
申请人
COLUMBIA RIBBON AND CARBON MANUFACTURING CO.
发明人
DOUGLAS A. NEWMAN
分类号
主分类号
代理机构
代理人
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