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发明名称
METAL-TIL-METALTAETNING
摘要
申请公布号
DK41683(D0)
申请公布日期
1983.02.02
申请号
DK19830000416
申请日期
1983.02.02
申请人
*GRAY TOOL COMPANY
发明人
JOHN KENT *MCGEE;HAROLD LEWIS *LAFFERTY;CHARLES DANIEL *BRIDGES;ARCHIE L. *SMITH
分类号
E21B33/00;E21B33/03;E21B33/04;F16J15/08;(IPC1-7):E21B/
主分类号
E21B33/00
代理机构
代理人
主权项
地址
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