Earthworm defecation box

The invention relates to a device which is beneficial to discharging of intestinal contents of earthworm and aims to keep activity of the earthworm, realize large-batch discharging of intestinal contents, solve problems of earthworm activity decline, proneness to death and incompleteness in discharg...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG XINGMING, CHEN MINGLIANG, SUN LUNTAO, SHAO JIANG, LU FUQING, ZHOU XIN, CHEN NA, CHENG DEJIU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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