The use of objects as weapons has been observed among chimpanzees, leading to speculation that early hominids used weapons as early as five million years ago. However, this can not be confirmed using
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LED DOT MATRIX DISPLAY Single Color 5x7 Dot Matrix Displays Part No. Chip Absolute Maximum Ratings Electro-optical Data (At 10mA) Digit Size Column Vf (v)
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PMB MICRO BEARING was established in 2005, which special in exporting and producing miniature ball bearings or miniature bearing, Has become one of chinese …
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