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发明名称
Arrow tip
摘要
申请公布号
US2904338(A)
申请公布日期
1959.09.15
申请号
US19580745478
申请日期
1958.06.30
申请人
UNIVERSAL LUBRICATING SYSTEMS, INC.
发明人
PODUFAL PETER E.
分类号
F42B6/08
主分类号
F42B6/08
代理机构
代理人
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