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发明名称
ELECTRODYNAMIC TYPE ELECTRO-ACOUSTIC COMMUTATOR
摘要
申请公布号
JPH0226498(A)
申请公布日期
1990.01.29
申请号
JP19880176222
申请日期
1988.07.16
申请人
SHICOH ENG CO LTD
发明人
MIYAO OSAMI;SHIRAKI MANABU;SUZUKI TERUHIKO
分类号
H04R13/00
主分类号
H04R13/00
代理机构
代理人
主权项
地址
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