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发明名称
PIEZOELECTRIC APPARATUS
摘要
申请公布号
CA418362(A)
申请公布日期
1944.02.08
申请号
CAD418362
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
FREDERICK REGINALD LACK;IRVIN ERNEST FAIR;GERALD WARNER WILLARD
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主分类号
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