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发明名称
Menetelmä ja laite kierresaumatun putken valmistamiseksi
摘要
申请公布号
FI40528(C)
申请公布日期
1971.03.01
申请号
FID40528
申请日期
1966.12.21
申请人
发明人
MALKKI EINO KALERVO;SILDE VALENTIN
分类号
B21C37/12;(IPC1-7):B21C37/12
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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