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发明名称
摘要
申请公布号
DE2810426(C2)
申请公布日期
1983.02.03
申请号
DE19782810426
申请日期
1978.03.10
申请人
DOWA MINING CO. LTD., TOKYO, JP;DOWA ENGINEERING CO., LTD., OKAYAMA, JP
发明人
TEZUKA, KAZUMASA, OKAYAMA, JP;HISANO, SEIICHI, TOKYO, JP;SASAKI, HYOICHI;WATANABE, IKUO, OKAYAMA, JP
分类号
G01N25/48;(IPC1-7):B01D53/34
主分类号
G01N25/48
代理机构
代理人
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