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发明名称
DEFLECTOR APPARATUS IN SHIELD DRILLING MACHINE
摘要
申请公布号
JPS57100293(A)
申请公布日期
1982.06.22
申请号
JP19800177526
申请日期
1980.12.15
申请人
OOSAKA JIYATSUKI SEISAKUSHO:KK
发明人
AIHARA SHINJI
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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