UDC621.397.336:614.83M74中华人民共和国国家标准GB/T13953一92隔爆型防爆应用电视设备防爆性能试验方法Test methods of explosion-proof performance forexplosion-proof applied TV equipment with separate type1992-12-19发布1993-08-01实施国家技术监督局发布
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