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经营范围
发明名称
MECHANICAL SEALING UNIT
摘要
申请公布号
EP0219490(B1)
申请公布日期
1991.04.24
申请号
EP19860890283
申请日期
1986.10.17
申请人
STOELLER, WALTER
发明人
STOELLER, WALTER
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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