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发明名称
Circular poled transducer
摘要
申请公布号
US3284727(A)
申请公布日期
1966.11.08
申请号
US19630289603
申请日期
1963.06.21
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CARLSON KENNETH A.;YOUNG DONALD R.
分类号
B06B1/06;G10K11/24;H03H9/125;H03H9/13;H03H9/36
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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