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发明名称
DETECTOR FOR CUTTER SLIT OPENING AND CLOSING VALUE OF MECHANICAL EXCAVATION SHIELD
摘要
申请公布号
JPS57297(A)
申请公布日期
1982.01.05
申请号
JP19800074190
申请日期
1980.06.04
申请人
HITACHI CONSTRUCTION MACHINERY
发明人
TAMURA KATSUMI;TAKANO FUMIYA
分类号
E21D9/087;E21D9/08
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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