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发明名称
Verfahren zum Erneuern abgenutzter Kollektoren
摘要
申请公布号
AT212922(B)
申请公布日期
1961.01.10
申请号
AT19580006726
申请日期
1958.09.25
申请人
PETER NAGEL
发明人
PETER NAGEL
分类号
主分类号
代理机构
代理人
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