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发明名称
Improvements in and relating to cover-fastenings
摘要
申请公布号
GB389064(A)
申请公布日期
1933.03.09
申请号
GB19310015898
申请日期
1931.05.30
申请人
COMPAGNIE GENERALE D'EXPLOITATION DES BREVETS D'INVENTION
发明人
分类号
E05B65/19
主分类号
E05B65/19
代理机构
代理人
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