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发明名称
EXCAVATOR
摘要
申请公布号
JPS5424406(A)
申请公布日期
1979.02.23
申请号
JP19770089065
申请日期
1977.07.25
申请人
SHIMIZU CONSTRUCTION CO LTD
发明人
SAKAMOTO KAZUYOSHI
分类号
E02D17/13;E02F5/02;E21B7/00
主分类号
E02D17/13
代理机构
代理人
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地址
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