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发明名称
Improvements relating to spring bolts, particularly for windows
摘要
申请公布号
GB529370(A)
申请公布日期
1940.11.20
申请号
GB19390003572
申请日期
1939.02.02
申请人
ALEXANDER MACKENZIE;JOHN MACKENZIE
发明人
分类号
E05B63/18
主分类号
E05B63/18
代理机构
代理人
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