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发明名称
Improvements in magneto-strictive devices
摘要
申请公布号
GB581123(A)
申请公布日期
1946.10.02
申请号
GB19410012532
申请日期
1941.09.26
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;HENRY JOSEPH ROUND
发明人
分类号
H04R15/00
主分类号
H04R15/00
代理机构
代理人
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