Entrance to a cave design mould is reserved to floor pipeline

The utility model relates to an entrance to a cave design mould is reserved to floor pipeline, its characterized in that: post bucket (4) including a back -off all are equipped with a through -hole (5a) on upper portion bucket floor plate (5) of back -off post bucket (4), hang a cooperation first sc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WEN ZHONGYU, ZHANG DAOHE, DENG ZHENGCHI, FENG GANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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