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经营范围
发明名称
Explosion resisting clock
摘要
申请公布号
US2625004(A)
申请公布日期
1953.01.13
申请号
US19480020966
申请日期
1948.04.14
申请人
CROUSE-HINDS COMPANY
发明人
BUSH HAROLD L.;PARISH WILLARD E.
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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