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经营范围
发明名称
Improvements in keys for locks
摘要
申请公布号
GB481600(A)
申请公布日期
1938.03.14
申请号
GB19360022269
申请日期
1936.08.13
申请人
CHARLES WILLIAM CHENEY
发明人
分类号
E05B19/00;E05B19/10
主分类号
E05B19/00
代理机构
代理人
主权项
地址
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