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1.发明授权Overvoltage arrestor having a light dispersion of fine metallic dust on its inside walls 失效过电压避雷器在其内壁上具有细小金属粉尘的光散射
公开(公告)号：US3162741A
公开(公告)日：1964-12-22
申请号：US9257061
申请日：1961-03-01
Applicant: ERICSSON TELEFON AB L M
Inventor： AUGUST LINDGREN BO GUSTAV
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