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发明名称
PIEZO-ELECTRIC CRYSTAL HOLDER AND CRYSTAL
摘要
申请公布号
CA450118(A)
申请公布日期
1948.07.27
申请号
CAD450118
申请日期
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
SAMUEL ALEXANDER BOKOVOY;KENTON KITCH GARISON
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