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发明名称
Electro-mechanical transducer
摘要
申请公布号
US3177412(A)
申请公布日期
1965.04.06
申请号
US19600061748
申请日期
1960.10.10
申请人
INDUSTRIAL RESEARCH PRODUCTS, INC.
发明人
CARLSON ELMER V.
分类号
G06F3/06;G06F13/00;G11B5/02;G11C7/06;H04R11/00
主分类号
G06F3/06
代理机构
代理人
主权项
地址
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