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发明名称
Mercury dashpot timing device
摘要
申请公布号
US1955565(A)
申请公布日期
1934.04.17
申请号
US19310526444
申请日期
1931.03.30
申请人
CUTLER-HAMMER, INC.
发明人
SCHMIDT EDWIN X.;STEVENS WILLIAM C.
分类号
G04F1/00
主分类号
G04F1/00
代理机构
代理人
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地址
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