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发明名称
摘要
申请公布号
JP2877434(B2)
申请公布日期
1999.03.31
申请号
JP19900105520
申请日期
1990.04.23
申请人
SANDOBITSUKU AB
发明人
YANNGUNNARU HEDORUNDO;YANNGUNNARU YARUMARU OOKERUMAN;BENGUTO ANDERUSU OOSUBERUGU
分类号
B23B27/14;C22C29/08;E21B10/56;E21C35/18;(IPC1-7):B23B27/14
主分类号
B23B27/14
代理机构
代理人
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