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发明名称
SEGMENT ERECTOR
摘要
申请公布号
JPH02112598(A)
申请公布日期
1990.04.25
申请号
JP19880264010
申请日期
1988.10.21
申请人
KOMATSU LTD
发明人
MIURA KEIJI
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
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