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发明名称
ROD SUPPORT APPARATUS OF CRAWLER DRILL
摘要
申请公布号
JPS61211490(A)
申请公布日期
1986.09.19
申请号
JP19850184031
申请日期
1985.08.23
申请人
MITSUBISHI HEAVY IND LTD;RYONICHI ENG KK
发明人
IIJIMA KATSUHIKO;NUNOKAWA MITSUO
分类号
E21B19/06;E21B19/16
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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