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发明名称
An improved button fastener
摘要
申请公布号
GB400117(A)
申请公布日期
1933.10.19
申请号
GB19330012888
申请日期
1933.05.03
申请人
ALFRED EGAN
发明人
分类号
A44B1/36
主分类号
A44B1/36
代理机构
代理人
主权项
地址
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