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发明名称
Verfahren und Vorrichtung zur Verhinderung von Schlammablagerungen des Kesselspeisewassers in einem Vorwärmer.
摘要
申请公布号
CH188956(A)
申请公布日期
1937.01.31
申请号
CHD188956
申请日期
1936.02.27
申请人
SCHIFF & STERN
发明人
STERN SCHIFF &
分类号
主分类号
代理机构
代理人
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