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发明名称
FRAMSTAELLNINGSFOERFARANDE OCH ANORDNING FOER FRAMSTAELLNING AV ETT SPIRALSOEMMAT METALLROER.
摘要
申请公布号
FI902720(A0)
申请公布日期
1990.06.01
申请号
FI19900002720
申请日期
1990.06.01
申请人
SPIRO MACHINES S.A.
发明人
ROSENGREN, STIG ERIK
分类号
B21C37/08;B21C37/12;B23K11/06;B23K11/30;(IPC1-7):B21C/
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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