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发明名称
SELBSTTAETIGES KLAPPENFUSSVENTIL FUER PUMPEN, INSBESONDERE FUER SCHMUTZWASSER- UND FAEKALIENPUMPEN.
摘要
申请公布号
DE1880530(U)
申请公布日期
1963.10.10
申请号
DE196100R2820U
申请日期
1961.08.14
申请人
RIETBERGWERKE INH. SEPPELER-STIFTUNG
发明人
分类号
主分类号
代理机构
代理人
主权项
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