bimetal thermo-hygrometer(thermometer, hygrometer)
1. -20-50 C;
2. thermmeter & hygrometer;
3. 200mm dia.
4. bimetal.
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bimetal thermo-hygrometer(thermometer, hygrometer)
1. -20-50 C;
2. thermmeter & hygrometer;
3. 200mm dia.
4. bimetal.