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发明名称
Transducer
摘要
申请公布号
US3158847(A)
申请公布日期
1964.11.24
申请号
US19620179716
申请日期
1962.03.14
申请人
DATA PRODUCTS CORPORATION
发明人
PULKRABEK RALPH J.
分类号
G11B5/265;G11B5/48;G11B5/54;G11B5/60
主分类号
G11B5/265
代理机构
代理人
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