Convertible contact structure for an electromagnetically operated switch
作者： Allin W Schubring , Erik J Nielsen
DOI:
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摘要:
lens.org 参考文章(4)
Pierre L A Lemonnier, Reversing relays having increased cut-off power ,(1961)
Joseph C Mayer, Convertible relay control station ,(1964)
Harold E Schleicher, Contact supporting means for electromagnetic switches ,(1956)
Theodore R Coker, Swanstrom Amol Harvey, Reversible contact structure ,(1959)