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发明名称
MANHOLE JOINT
摘要
申请公布号
JPH1121928(A)
申请公布日期
1999.01.26
申请号
JP19970175840
申请日期
1997.07.01
申请人
DENKI KAGAKU KOGYO KK;C R K KK
发明人
MATSUNAGA SHIRO;ADAKAWA AKIO;ARAI SHUNICHI
分类号
E02D29/12;(IPC1-7):E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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