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发明名称
MUDDY WATER CONTROL DEVICE OF SHIELD EXCAVATOR
摘要
申请公布号
JPS51140335(A)
申请公布日期
1976.12.03
申请号
JP19750064167
申请日期
1975.05.30
申请人
TETSUKEN KENSETSU KK
发明人
NAKA ATSUSHI;UCHIDA YOSHIAKI
分类号
E02F7/00;E21D9/06;E21D9/13
主分类号
E02F7/00
代理机构
代理人
主权项
地址
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