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经营范围
发明名称
Improvements in and relating to door locks
摘要
申请公布号
GB488936(A)
申请公布日期
1938.07.15
申请号
GB19370001304
申请日期
1937.01.15
申请人
SAMUEL BARTLETT MCKENZIE
发明人
分类号
E05B65/20;E05B65/28
主分类号
E05B65/20
代理机构
代理人
主权项
地址
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