Clamping device of biological teaching instrument test tube

The utility model belongs to the technical field of experiment teaching instrument ware technique and specifically relates to a clamping device of biological teaching instrument test tube, including fixed clamping plate and handheld pole, fixed clamping plate's one end and handheld pole fixed c...

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Bibliographische Detailangaben
1. Verfasser: RAO YIWEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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