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经营范围
发明名称
Improvements in switch mechanisms, particularly as used in automatic telephony
摘要
申请公布号
GB329297(A)
申请公布日期
1930.05.14
申请号
GB19290004933
申请日期
1929.02.14
申请人
STANDARD TELEPHONES AND CABLES, LIMITED;MAURICE SAXON SNELL;CHARLES PERCY SMITH
发明人
分类号
H01H63/06
主分类号
H01H63/06
代理机构
代理人
主权项
地址
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