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发明名称
Verfahren zur Herstellung einer Rohrverbindung mit nicht sichtbarem Innennippel.
摘要
申请公布号
AT148572(B)
申请公布日期
1937.02.10
申请号
ATD148572
申请日期
1935.09.03
申请人
FRIEDRICH KAERPEL
发明人
FRIEDRICH KAERPEL
分类号
主分类号
代理机构
代理人
主权项
地址
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