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发明名称
PIPE SUPPORT APPARATUS
摘要
申请公布号
JPS6290494(A)
申请公布日期
1987.04.24
申请号
JP19860120354
申请日期
1986.05.27
申请人
KIEERU HAUGOMU
发明人
KIEERU HAUGOMU
分类号
E21B19/14
主分类号
E21B19/14
代理机构
代理人
主权项
地址
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