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发明名称
SKJAEREELEMENT SAMT FREMGANGSMAATE FOR FREMSTILLING AV SLIKT ELEMENT.
摘要
申请公布号
NO870656(A)
申请公布日期
1987.08.20
申请号
NO19870000656
申请日期
1987.02.18
申请人
STRATA BIT CORP
发明人
DENNIS, MAHLON D.
分类号
B23K31/02;B23K35/22;E21B10/56;E21B10/573;(IPC1-7):E21B/
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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