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发明名称
ROERHAANDTERINGSANLAEG MED ET FOEDEORGAN OG STABLINGSARME
摘要
申请公布号
DK207582(A)
申请公布日期
1982.05.10
申请号
DK19820002075
申请日期
1982.05.10
申请人
INGRAM CORPORATION
发明人
FRIAS R;CAIN T D
分类号
E21B19/20;E21B;E21B19/14;E21B19/15;(IPC1-7):E21B/
主分类号
E21B19/20
代理机构
代理人
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