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发明名称
ELECTROPHOTOGRAPHIC COPYING MATERIAL
摘要
申请公布号
GB1255335(A)
申请公布日期
1971.12.01
申请号
GB19680057880
申请日期
1968.12.05
申请人
KABUSHIKI KAISHA RICOH
发明人
分类号
B01D19/04;G03G5/05
主分类号
B01D19/04
代理机构
代理人
主权项
地址
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