DIN 32911:1983-01 Graphic symbols and signs for information of the passengers of ropeways and ski-lifts

标准编号：DIN 32911:1983-01

英文标题：Graphic symbols and signs for information of the passengers of ropeways and ski-lifts

德文标题：Graphische Symbole und Schilder zur Information der Fahrgäste von Seilbahnen und Schleppliften

发布日期：1983-01

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