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发明名称
SCHALLDAEMPFENDE EINBAUTEN FUER GASFOERDERLEITUNGEN BEI NIEDRIGEN DRUCKDIFFERENZEN
摘要
申请公布号
DD292302(A5)
申请公布日期
1991.07.25
申请号
DD19860285927
申请日期
1986.01.06
申请人
BERGAKADEMIE FREIBERG DIREKTORAT FORSCHUNG,DE
发明人
KOELTZSCH,PETER,DE;WALDEN,FRIEDRICH,DD;JOSEPH,MATTHIAS,DD
分类号
F04D29/66;(IPC1-7):F04D29/66
主分类号
F04D29/66
代理机构
代理人
主权项
地址
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