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发明名称
Machine for the production of spirally wound tubes from sheet metal strip
摘要
申请公布号
GB2075880(A)
申请公布日期
1981.11.25
申请号
GB19810013332
申请日期
1981.04.30
申请人
PROV & VERKTYG AB
发明人
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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