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发明名称
WATER PERMEABLE WEIR
摘要
申请公布号
JPS5468029(A)
申请公布日期
1979.05.31
申请号
JP19770134264
申请日期
1977.11.08
申请人
OIWA TATSUYOSHI
发明人
OOIWA TATSUYOSHI
分类号
E02B3/06;E02B3/02;E02B3/04;E02B3/18;E02B8/02
主分类号
E02B3/06
代理机构
代理人
主权项
地址
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