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发明名称
Improved opening case for watches or other articles
摘要
申请公布号
GB340969(A)
申请公布日期
1931.01.01
申请号
GB19290017586
申请日期
1929.06.07
申请人
JEAN WEIL
发明人
分类号
G04B37/00
主分类号
G04B37/00
代理机构
代理人
主权项
地址
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