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发明名称
Putkirakenne ja sen valmistusmenetelmä
摘要
申请公布号
FI933922(A)
申请公布日期
1994.06.04
申请号
FI19930003922
申请日期
1993.09.08
申请人
KIRSI, HANNU JUHANI
发明人
KIRSI, HANNU JUHANI
分类号
B21B1/08;B21B45/00;B21C37/08;B21C37/15;B23P15/26;F28F1/22;(IPC1-7):B21B23/00;F22B37/10
主分类号
B21B1/08
代理机构
代理人
主权项
地址
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