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发明名称
VALVE BLOCK FOR HYDRAULIC CYLINDER
摘要
申请公布号
JPH06307407(A)
申请公布日期
1994.11.01
申请号
JP19930093208
申请日期
1993.04.20
申请人
FURUKAWA CO LTD
发明人
KANEKO TSUTOMU
分类号
E21B7/02;E21B15/00;E21B19/08;F15B11/08;(IPC1-7):F15B11/08;E21C11/00
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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