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经营范围
发明名称
Verfahren und Vorrichtung zur Erzeugung von konischem Rohr
摘要
申请公布号
DE1900741(A1)
申请公布日期
1969.09.04
申请号
DE19691900741
申请日期
1969.01.03
申请人
NIPPON GAKKI SEIZO KABUSHIKI KAISHA
发明人
NODA,YOSHIO;SUGIURA,HIROMICHI
分类号
B21C37/18
主分类号
B21C37/18
代理机构
代理人
主权项
地址
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