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经营范围
发明名称
Improvements in double seal for relatively rotating parts
摘要
申请公布号
GB652295(A)
申请公布日期
1951.04.18
申请号
GB19480005786
申请日期
1948.02.26
申请人
CRANE PACKING LIMITED
发明人
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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