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发明名称
TROTARY MECHANICAL FACE SEAL
摘要
申请公布号
GB2020760(B)
申请公布日期
1982.10.13
申请号
GB19790016648
申请日期
1979.05.14
申请人
CRANE PACKING LTD
发明人
分类号
F16J15/16;F16J15/34;F16J15/40;(IPC1-7):F16J15/34
主分类号
F16J15/16
代理机构
代理人
主权项
地址
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