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经营范围
发明名称
Improvements in sealing rings
摘要
申请公布号
GB990891(A)
申请公布日期
1965.05.05
申请号
GB19630001381
申请日期
1963.01.11
申请人
WELLWORTHY LIMITED
发明人
WOOLCOTT ARTHUR JOHN
分类号
F16J9/26
主分类号
F16J9/26
代理机构
代理人
主权项
地址
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