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发明名称
VORRICHTUNG ZUM OEFFNEN UND SCHLIESSEN VON ROHRLEITUNGEN
摘要
申请公布号
DD270574(A1)
申请公布日期
1989.08.02
申请号
DD19880314674
申请日期
1988.04.13
申请人
ADL DER DDR FZ FUER BODENFRUCHTBARKEIT MUENCHEBERG,DD
发明人
HAAKE,KNUT,DD;ALBRECHT,MARTIN,DD;GLEISNER,HEINFRIED,DD;SZUPPA,JOACHIM,DD
分类号
F16L55/10;(IPC1-7):F16L55/10
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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