Infrared temperature measurement module
1mm ball lens.mp4
SF-889 electronic postal shipping scale parcel digital weighing scales 100kg 200kg digital weight machine1
achromat lens mounted
aspheric lens
SF-803 30kg Electronic Weighing Scale 30kg Digital Postal Table Parcel Shipping Scale 10kg Kitchen Scale1
sf889 portable electronic scale lcd display Multi-capacity electronic digital postal weighing scale 200kg1
D25 mm Plano Convex Spherical K9 Lens
sf886 660lb wholesale postal weigjing scales for home use warehouse1
Electric Frying Grill HD8011-2.mp4
cutting the spherical lens
pcx lens3.mp4
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