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发明名称
FOERFARANDE FOER PERFORERING AV DRAENINGSROER.
摘要
申请公布号
FI902516(A0)
申请公布日期
1990.05.22
申请号
FI19900002516
申请日期
1990.05.22
申请人
JYRKINEN, SEPPO;PELTOMAA, SEPPO;KAINOMAA, HANNU
发明人
JYRKINEN, SEPPO;PELTOMAA, SEPPO;KAINOMAA, HANNU
分类号
B23K;(IPC1-7):B23K/
主分类号
B23K
代理机构
代理人
主权项
地址
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