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发明名称
AUTOMATIC FALLING-DOWN DEVICE OF RUBBER WEIR WITH OVERPRESSURE PREVENTION MECHANISM
摘要
申请公布号
JPH11336056(A)
申请公布日期
1999.12.07
申请号
JP19980160022
申请日期
1998.05.26
申请人
NITTO KASEN KOGYO KK
发明人
ONISHI SHUHEI
分类号
E02B7/20;(IPC1-7):E02B7/20
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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