Дастури дастурии микроскопи сайёри металлургии OPTO-EDU A13.2501-B
OPTO-EDU A13.2501-B Portable Metallurgical Microscope HOW TO USE Compact All-in-One Portable Design For Checking Metal Surface In Anywhere Supply In Strong Aluminum Case, Magnet Stand Optional Upgraded To A31.2501 Digital Portable Metallurgical Microscope With A55.2207-3.1M Product Details Total Magnification 100-400x…