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发明名称
Electroacoustical transducer
摘要
申请公布号
US2582942(A)
申请公布日期
1952.01.22
申请号
US19490124893
申请日期
1949.11.01
申请人
THE WHEELER INSULATED WIRE COMPANY, INCORPORATED
发明人
BAKER RANDALL B.
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
主权项
地址
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