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发明名称
TELEGRAPH SIGNALLING APPARATUS
摘要
申请公布号
CA376365(A)
申请公布日期
1938.09.13
申请号
CAD376365
申请日期
申请人
CABLE AND WIRELESS LIMITED
发明人
HARRY VERNON HIGGITT;KENNETH LINDSAY WOOD
分类号
主分类号
代理机构
代理人
主权项
地址
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