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发明名称
Implement for removing backs of watchcases
摘要
申请公布号
US2542728(A)
申请公布日期
1951.02.20
申请号
US19470737525
申请日期
1947.03.27
申请人
THOMS ERNST E
发明人
THOMS ERNST E.
分类号
G04D1/10
主分类号
G04D1/10
代理机构
代理人
主权项
地址
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