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发明名称
Chronographic arrangement for electric stations
摘要
申请公布号
US2594048(A)
申请公布日期
1952.04.22
申请号
US19470757165
申请日期
1947.06.26
申请人
PIERRE MASSON EMILE
发明人
MASSON EMILE PIERRE
分类号
G01R13/30
主分类号
G01R13/30
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代理人
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