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发明名称
METHOD AND APPARATUS FOR PRODUCING HELICALLY WOUND LOCK-SEAM TUBING
摘要
申请公布号
HU9801707(A3)
申请公布日期
2000.06.28
申请号
HU19980001707
申请日期
1996.03.06
申请人
PROTOL A.G., GLARUS
发明人
分类号
B21C37/12;B21D39/02
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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