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发明名称
DRILLING AND SHEETING APPARATUS IN EMBEDDING ACCELERATING PIPE
摘要
申请公布号
JPS6062396(A)
申请公布日期
1985.04.10
申请号
JP19830169805
申请日期
1983.09.13
申请人
SATOU KOGYO KK
发明人
YOSHIDA RIYOUZOU
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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