DIN 49972:2001-12 Classification and interpretation of new lighting products (IEC TR 60972:1989 + A1:1991)

标准编号：DIN 49972:2001-12

英文标题：Classification and interpretation of new lighting products (IEC TR 60972:1989 + A1:1991)

德文标题：Einteilung und Beschreibung neuer Leuchtmittel (IEC TR 60972:1989 + A1:1991)

发布日期：2001-12

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