- test tube stands
- 2017-01-14 07:58
- Iron finished in plastic resin(international standard)Test Tube Rack, Polypropylene, Submersible, 13 mm Tubes, 90 PlaceT
- interactive whiteboard
- 2017-01-14 07:58
- Model: HVB-105WITechnology: infrared technologyWriting stylus: pen or finger Resolution: 4096*4096Cursor speed: 120 dots
- projection voltmeter
- 2017-01-14 07:58
- Projection voltmeter is suitable for middle schools and polytechnic schools to measure voltage in the C circuit in the t
- specific gravity bottle
- 2017-01-14 07:58
- Graduated 5ml-250ml made from borosilicate glass. Accuracy +- 5% at full capacity
