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发明名称
FOERFARANDE FOER FRAMSTAELLNING AV RINGFORMIGT KORRUGERADE METALLROER
摘要
申请公布号
FI781232(A)
申请公布日期
1979.10.22
申请号
FI19780001232
申请日期
1978.04.21
申请人
INSINOEOERITOIMISTO E LEPPAENEN OY
发明人
LEPPAENEN EERO KAARLO
分类号
B21D;(IPC1-7):B21D/
主分类号
B21D
代理机构
代理人
主权项
地址
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