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经营范围
发明名称
Burglar alarm
摘要
申请公布号
US1888371(A)
申请公布日期
1932.11.22
申请号
US19310536631
申请日期
1931.05.11
申请人
BLANCHARD BOYLE
发明人
BOYLE BLANCHARD
分类号
G08B13/183
主分类号
G08B13/183
代理机构
代理人
主权项
地址
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