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发明名称
Escapement device
摘要
申请公布号
US2531273(A)
申请公布日期
1950.11.21
申请号
US19450589898
申请日期
1945.04.23
申请人
ALBERT JEAN DEVAUD
发明人
JACCARD RENE PHILIPPE
分类号
G04B15/02
主分类号
G04B15/02
代理机构
代理人
主权项
地址
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