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发明名称
Watertight watchcase
摘要
申请公布号
US2495552(A)
申请公布日期
1950.01.24
申请号
US19470724163
申请日期
1947.01.24
申请人
OTTO SCHMITZ
发明人
SCHMITZ OTTO
分类号
G04B37/08
主分类号
G04B37/08
代理机构
代理人
主权项
地址
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