DIN 18920:1973-10

Отменен

Landscaping; protection of trees, plantations and vegetation areas from construction measures — 2 стр.

Заменен на

DIN 18920:1990-09

ICS

65.020.40 Landscaping and silviculture / Озеленение и лесоводство

65.020.20 Plant. Including horticulture, floriculture, seeds, plant diseases / Растениеводство. Включая садоводство, цветоводство, семена и болезни растений