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发明名称
Transducteurs piézoélectriques ultrasoniques
摘要
申请公布号
FR1412948(A)
申请公布日期
1965.10.01
申请号
FR19640993440
申请日期
1964.10.30
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
B06B1/06;H01B1/00;H03H9/125;H03H9/13
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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