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发明名称
Selbstschliessendes Ventil mit Gegendruckkammer und einem im Hauptventilkoerper sitzenden Hilfsventil, bei welchem der Sitz fuer den Hauptventilkoerper als eine in den Auslauf muendende auswechselbare Duese ausgebildet ist
摘要
申请公布号
DE590142(C)
申请公布日期
1933.12.29
申请号
DE1932S104556D
申请日期
1932.05.14
申请人
ERNST SIEGELE
发明人
分类号
E03D3/04
主分类号
E03D3/04
代理机构
代理人
主权项
地址
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