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发明名称
ROTARY PUMP STUFFING-BOX
摘要
申请公布号
PL118453(B1)
申请公布日期
1981.10.31
申请号
PL19790218893
申请日期
1979.10.10
申请人
发明人
分类号
F04C;F04D29/10;F16J15/54;(IPC1-7):F04D29/10
主分类号
F04C
代理机构
代理人
主权项
地址
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