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发明名称
EKITAIRYUNYUKANKYONOSHUKISHADANSOCHI
摘要
申请公布号
JPH0229819(B2)
申请公布日期
1990.07.03
申请号
JP19830174793
申请日期
1983.09.20
申请人
NIPPON KASEI KK;OOSAKASHI
发明人
AKITA MASAHIRO
分类号
E03F7/02;B01D21/00
主分类号
E03F7/02
代理机构
代理人
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地址
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