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发明名称
BLIND CULVERT DRAINAGE METHOD
摘要
申请公布号
JPS5471808(A)
申请公布日期
1979.06.08
申请号
JP19770140133
申请日期
1977.11.21
申请人
TSUKAHARA SETSUBI KOUGIYOU KK
发明人
SAEKI SHIGETOSHI;TSUKAHARA SABUROU
分类号
E02B11/00;E02D3/10
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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