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发明名称
Vorrichtung zum Verhindern des Einfrierens vom Wasser in Hauswasserleitungen.
摘要
申请公布号
CH140361(A)
申请公布日期
1930.06.15
申请号
CHD140361
申请日期
1929.08.13
申请人
HOFFMANN,FRITZ
发明人
HOFFMANN,FRITZ
分类号
E03B7/12
主分类号
E03B7/12
代理机构
代理人
主权项
地址
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