Sand-dust-preventing steel mixed wall

The invention provides a sand-dust-preventing steel mixed wall which is designed aiming at invasion of sand dust of Siberia cold wind and Mongolia to China and the characteristics that rough and large sand grains are concentrated in the sand dust in a space below 50 meters to be operated and cold ai...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LIU ZHANGFA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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