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发明名称
MECHANICAL OSCILLATOR
摘要
申请公布号
CA387277(A)
申请公布日期
1940.03.05
申请号
CAD387277
申请日期
申请人
PHILLIPS PETROLEUM COMPANY
发明人
JAMES D. DURKEE;EDWARD H. YONKERS
分类号
主分类号
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代理人
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