DIN 12542:1979-04 Laboratory ware made from fused quartz and fused silica; straight bore stopcocks made from fused quartz

标准编号：DIN 12542:1979-04

英文标题：Laboratory ware made from fused quartz and fused silica; straight bore stopcocks made from fused quartz

德文标题：Laborgeräte aus Quarzglas (Kieselglas) und Quarzgut (Kieselgut); Einweg-Kegelhähne aus Quarzglas (Kieselglas), austauschbar, Kegel 1 : 10

发布日期：1979-04

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