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经营范围
发明名称
SHANK ROD HOLDER FOR ROCK DRILL
摘要
申请公布号
JPH02104897(A)
申请公布日期
1990.04.17
申请号
JP19880255319
申请日期
1988.10.11
申请人
FURUKAWA CO LTD
发明人
MIKAMI YOSHIICHI;OI TOSHIO
分类号
E21B19/24
主分类号
E21B19/24
代理机构
代理人
主权项
地址
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