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发明名称
WATERPROOFING WORK FOR MANHOLE
摘要
申请公布号
JPH03293431(A)
申请公布日期
1991.12.25
申请号
JP19900094865
申请日期
1990.04.09
申请人
OSAKA BOSUI CONSTR CO LTD
发明人
MIYAZAKI YASUO;KAMIIDE AKIRA;UGA RYOTA
分类号
E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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