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发明名称
Frostschutzeinrichtung fuer Wasserleitungen
摘要
申请公布号
DE648916(C)
申请公布日期
1937.08.11
申请号
DENDATG088767D
申请日期
申请人
KARL GARBE
发明人
分类号
F16L53/00
主分类号
F16L53/00
代理机构
代理人
主权项
地址
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