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经营范围
发明名称
Time-switch mechanism
摘要
申请公布号
US1769657(A)
申请公布日期
1930.07.01
申请号
US19240756544
申请日期
1924.12.17
申请人
THOMAS MICHELIEUX S
发明人
THOMAS MICHELIEUX S.
分类号
G04C23/16
主分类号
G04C23/16
代理机构
代理人
主权项
地址
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