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发明名称
Sealing ring
摘要
申请公布号
US3052478(A)
申请公布日期
1962.09.04
申请号
US19590840353
申请日期
1959.09.16
申请人
PRECISION ASSOCIATES, INC.
发明人
HORVEREID WELLS J.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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