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Biological semi-permeable membrane experiment demonstration cellophane cellophane penetration experiment for junior high school Senior high school experiment teaching instrument
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Biological semi-permeable membrane experiment demonstration cellophane cellophane penetration experiment for junior high school Senior high school experiment teaching instrument
About the product
Characteristic
- Material
Cellophane
- Specifications
20*30cm
- Item No.
01
- Brand
Tianyang
- Model
01
Description
![)[@1_8IIU(D_{UKLD]NLR9E](https://cbu01.alicdn.com/img/ibank/O1CN01qfq8rh2LkqzTXe4Jw_!!2511739731-0-cib.jpg?__r__=1705977045699)
Characters
Properties
- Material
Cellophane
- Specifications
20*30cm
- Item No.
01
- Brand
Tianyang
Description