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发明名称
KUPPLUNG FUER DIE VERBINDUNG GEGENEINANDER DREHBARER HOHLLEITUNGEN
摘要
申请公布号
DE6811012(U)
申请公布日期
1969.04.10
申请号
DE19680011012U
申请日期
1968.12.11
申请人
DAVY AND UNITED ENGINEERING COMPANY LIMITED
发明人
分类号
F16L27/08
主分类号
F16L27/08
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代理人
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