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发明名称
Verfahren und Vorrichtung zur kontinuierlichen Herstellung beliebig langer Rohre geringer Wandstaerke
摘要
申请公布号
DE1527901(A1)
申请公布日期
1970.02.26
申请号
DE19661527901
申请日期
1966.03.08
申请人
WITZENMANN,HERBERT
发明人
分类号
B23K9/025
主分类号
B23K9/025
代理机构
代理人
主权项
地址
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