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发明名称
PACKING FOR PROTECTING MANHOLE COVER ADN ITS INSTALLATION METHOD
摘要
申请公布号
JPH08151650(A)
申请公布日期
1996.06.11
申请号
JP19940317562
申请日期
1994.11.28
申请人
ITSUKI KOGYO KK
发明人
KONDO MASANORI
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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