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发明名称
Burglar-alarm wall construction
摘要
申请公布号
US2170026(A)
申请公布日期
1939.08.22
申请号
US19370125217
申请日期
1937.02.11
申请人
KAHN ROBERT S
发明人
KAHN ROBERT S.
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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