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经营范围
发明名称
DISCHARGE DEVICE
摘要
申请公布号
JPH04287072(A)
申请公布日期
1992.10.12
申请号
JP19910074233
申请日期
1991.03.15
申请人
RICOH CO LTD
发明人
TANAKA MASAO
分类号
G03G15/02;G03G15/16;H01T19/00
主分类号
G03G15/02
代理机构
代理人
主权项
地址
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