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发明名称
Improvements in or relating to Padlocks
摘要
申请公布号
GB1154287(A)
申请公布日期
1969.06.04
申请号
GB19680021929
申请日期
1968.05.09
申请人
LO HUNG HING
发明人
LO HUNG HING
分类号
E05B67/02
主分类号
E05B67/02
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代理人
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