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发明名称
TELEPHONE DIALLING PLATE DEVICE
摘要
申请公布号
CA370274(A)
申请公布日期
1937.11.30
申请号
CAD370274
申请日期
申请人
SAMI WICKERSHAM SCHUBERT
发明人
BARNETT SEGEAL
分类号
主分类号
代理机构
代理人
主权项
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