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发明名称
TREATER FOR MANHOLE COVER
摘要
申请公布号
JPS60167772(A)
申请公布日期
1985.08.31
申请号
JP19840018405
申请日期
1984.02.06
申请人
MITSUBISHI JUKOGYO KK
发明人
HARA KOUSAKU;KIMURA YOSHIHIKO
分类号
B25B21/00;G21C13/06;G21D1/00
主分类号
B25B21/00
代理机构
代理人
主权项
地址
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