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发明名称
Improvements relating to locks
摘要
申请公布号
GB592077(A)
申请公布日期
1947.09.08
申请号
GB19440012749
申请日期
1944.07.04
申请人
EMANUEL SPEGELSTEIN
发明人
分类号
E05B65/50
主分类号
E05B65/50
代理机构
代理人
主权项
地址
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