Safety switch for portable appliances
申请公布号:US2574965(A)
申请号:US19490098958
申请日期:1949.06.14
申请公布日期:1951.11.13
发明人:GERBER DALE C.
分类号:A47L9/28;A47L11/40;H01H3/50;H01H21/26
主分类号:A47L9/28
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