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我所与上海中华造船厂在上海市徐汇区劳动保护口罩社的协助下,联合研制成功SL-4型简式自吸过滤式防尘口罩。这是一种有效的防矽(尘)肺病的个体防护用品。经劳动人事部委托冶金工业部安全技术研究所防尘口罩监验站鉴定,符合《GB2626-87自吸过滤式防尘口罩》国家标准。 SL-4型简
With the help of Shanghai Zhonghua Shipyard in Shanghai Xuhui District Labor Protection Mask Association, we successfully developed the SL-4 type self-absorption filter dust mask. This is an effective anti-silicon (dust) lung protection of personal protective equipment. Appointed by the Ministry of Labor and Personnel Ministry of Metallurgical Industry Security Institute of dust masks monitoring station identified in line with “GB2626-87 self-absorption filter respirators” national standards. SL-4 Jane