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发明名称
Vorrichtung zur Verhuetung des Einfrierens von Wasserleitungen
摘要
申请公布号
DE878030(C)
申请公布日期
1953.05.28
申请号
DE1949P033814D
申请日期
1949.02.11
申请人
SCHRADER ALFRED
发明人
SCHRADER ALFRED
分类号
F16L53/00
主分类号
F16L53/00
代理机构
代理人
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