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发明名称
Closure alarm device
摘要
申请公布号
US2824300(A)
申请公布日期
1958.02.18
申请号
US19560597210
申请日期
1956.07.11
申请人
SAMUEL RAND
发明人
RAND SAMUEL
分类号
E05B45/08
主分类号
E05B45/08
代理机构
代理人
主权项
地址
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