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发明名称
Improvements in packings for valve spindles and the like
摘要
申请公布号
GB487582(A)
申请公布日期
1938.06.22
申请号
GB19370034894
申请日期
1937.04.22
申请人
FRANCIS VICTOR BROWN
发明人
分类号
F16K41/04
主分类号
F16K41/04
代理机构
代理人
主权项
地址
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