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经营范围
发明名称
PARTIAL VARIABLE POWER DEVICE
摘要
申请公布号
JPS639274(A)
申请公布日期
1988.01.14
申请号
JP19860151384
申请日期
1986.06.30
申请人
RICOH CO LTD
发明人
HAYASHI TADAO
分类号
H04N1/393
主分类号
H04N1/393
代理机构
代理人
主权项
地址
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