Current location - Information Consultation Platform - Patent Search - What is a male model? I often see what blue sky abrasive is used in notebook comments. Do you mean many notebooks use the same grinder? this
What is a male model? I often see what blue sky abrasive is used in notebook comments. Do you mean many notebooks use the same grinder? this
The male mold is a kind of manufacturing mold without patent, and everyone has it.
That's why you can see many cheap MP3 players, but they are all the same.
This is a male mold.
The designed plastic module and circuit are adopted, which saves the design cost and the technology is mature.