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发明名称
INCOMING TONE GENERATING CIRCUIT FOR TELEPHONE SET
摘要
申请公布号
JPH0399553(A)
申请公布日期
1991.04.24
申请号
JP19890236061
申请日期
1989.09.12
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
MAEKAWA HIDESUMI
分类号
H03G3/32;H04M1/00
主分类号
H03G3/32
代理机构
代理人
主权项
地址
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