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经营范围
发明名称
MEMBRANE KEEPING DEVICE
摘要
申请公布号
JPS57144083(A)
申请公布日期
1982.09.06
申请号
JP19810027660
申请日期
1981.02.28
申请人
HITACHI PLANT KENSETSU KK
发明人
OOKUMA NAOKI;NAKAOKA AZUMA
分类号
C02F1/44;B01D61/02;B01D61/10;B01D61/14;B01D61/20;B01D65/02
主分类号
C02F1/44
代理机构
代理人
主权项
地址
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