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发明名称
Packing seal
摘要
申请公布号
US2934363(A)
申请公布日期
1960.04.26
申请号
US19580728213
申请日期
1958.04.14
申请人
HYDRIL COMPANY
发明人
KNOX GRANVILLE S.
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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