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经营范围
发明名称
ROTARY CONTACT DEVICE
摘要
申请公布号
JPS5684691(A)
申请公布日期
1981.07.10
申请号
JP19790159328
申请日期
1979.12.08
申请人
NISHIHARA ENV SAN RES CO LTD
发明人
HOSHI NORIYASU
分类号
C02F3/08
主分类号
C02F3/08
代理机构
代理人
主权项
地址
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