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发明名称
ANNUNCIATOR RECEIVING CASING
摘要
申请公布号
CA300451(A)
申请公布日期
1930.05.20
申请号
CAD300451
申请日期
申请人
ALBERT E. GARBUT;JOHN E. WATKINS;DONALD COCHRANE
发明人
ALBERT E. GARBUT;DONALD COCHRANE;JOHN E. WATKINS
分类号
主分类号
代理机构
代理人
主权项
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