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发明名称
Sichtfenster fuer geschlossene Gehaeuse,Kessel und umbaute Raeume
摘要
申请公布号
DE1773945(A1)
申请公布日期
1972.01.13
申请号
DE19681773945
申请日期
1968.07.30
申请人
GEBR. RUHSTRAT
发明人
HOFFMANN,HERBERT
分类号
C23C14/52;G01J5/04;G01N21/05
主分类号
C23C14/52
代理机构
代理人
主权项
地址
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