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发明名称
Waterproof watchcase
摘要
申请公布号
US2302340(A)
申请公布日期
1942.11.17
申请号
US19410414535
申请日期
1941.10.10
申请人
ERNEST MORF
发明人
MORF ERNEST
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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