Environment monitoring instrument

The utility model relates to the technical field of environmental protection and discloses an environment monitoring instrument which comprises a connecting piece, an opening is formed in the bottom face of the connecting piece, a support body is arranged in the connecting piece, a circular notch is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SUN LETONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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