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经营范围
发明名称
Window guard and alarm
摘要
申请公布号
GB350626(A)
申请公布日期
1931.06.18
申请号
GB19300010393
申请日期
1930.04.01
申请人
LUCY MARION SCHAUMAN
发明人
分类号
G08B13/12
主分类号
G08B13/12
代理机构
代理人
主权项
地址
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