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发明名称
Ventil mit einem den Durchflussquerschnitt stufenweise veraenderbaren Antrieb
摘要
申请公布号
DE1949547(A1)
申请公布日期
1971.04.08
申请号
DE19691949547
申请日期
1969.10.01
申请人
SAMSON APPARATEBAU AG
发明人
KLEE GERHARD
分类号
F15B11/12;(IPC1-7):F15B11/12
主分类号
F15B11/12
代理机构
代理人
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