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发明名称
Sleeve seal
摘要
申请公布号
US3303757(A)
申请公布日期
1967.02.14
申请号
US19650489771
申请日期
1965.09.23
申请人
WARD JOHN R
发明人
WARD JOHN R.
分类号
F16J15/16
主分类号
F16J15/16
代理机构
代理人
主权项
地址
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