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发明名称
APPARATUS FOR PENETRATING WATER INTO UNDERGROUND
摘要
申请公布号
JPS5991241(A)
申请公布日期
1984.05.25
申请号
JP19820202323
申请日期
1982.11.17
申请人
KOTSUKA KENZAI KOGYO KK
发明人
ONO KAZUYOSHI
分类号
E03F1/00
主分类号
E03F1/00
代理机构
代理人
主权项
地址
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