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发明名称
SEDIMENT FORCE FEED DEVICE FOR PIPE PUSHER
摘要
申请公布号
JPH08135379(A)
申请公布日期
1996.05.28
申请号
JP19940280617
申请日期
1994.11.15
申请人
HITACHI CONSTR MACH CO LTD
发明人
MORIYA HIDEKI
分类号
E21D9/06;E21D9/12;(IPC1-7):E21D9/12
主分类号
E21D9/06
代理机构
代理人
主权项
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