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发明名称
PIEZOELECTRIC CRYSTALS
摘要
申请公布号
CA499704(A)
申请公布日期
1954.02.02
申请号
CAD499704
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
CHARLES MEULEAU;MARIE BRUZAU
分类号
主分类号
代理机构
代理人
主权项
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