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发明名称
SPERRDRUCKGESTUETZTE MAGNETISCHE DICHTUNG
摘要
申请公布号
DD228014(A1)
申请公布日期
1985.10.02
申请号
DD19840267842
申请日期
1984.10.01
申请人
VEB KOMBINAT ORSTA-HYDRAULIK,,,,DD
发明人
MAUL,KARLERNST,DD
分类号
F16J15/40;(IPC1-7):F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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