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发明名称
Improvements in and relating to sealing pistons in cylinders
摘要
申请公布号
GB1098311(A)
申请公布日期
1968.01.10
申请号
GB19630023321
申请日期
1963.06.12
申请人
SELWYN BYERS WESTON
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
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