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发明名称
Telephone tone ringer
摘要
申请公布号
GB986310(A)
申请公布日期
1965.03.17
申请号
GB19630046851
申请日期
1963.11.27
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
BEADLE ANTHONY CRISP;PARRISH RALPH WILLIAM
分类号
H03G3/10;H04M19/04
主分类号
H03G3/10
代理机构
代理人
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地址
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