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This post was last edited by 1111111 on 2020-1-8 at 05:38. I just went to the patent office to pay the annual patent fee, the fee for the seventh year...... The fees keep rising every year; this year it was 300 yuan, and by 2026 it will be 6000 yuan or more...... If you have the ability to copy or plagiarize, go ahead – we won’t hold you accountable. Really, we won’t. We pay these fees just to feel a bit worried. It’s something we developed on our own, without any guidance from others; we’ve been selling it since 2002, filling a gap both in China and abroad. We’ve been doing this for 18 years, using the profits to support ourselves...... Turning knowledge into small instruments – surviving by relying on our intelligence...... If anyone has any problems, come and talk to me. I’ll discuss them with my colleagues; who knows, maybe one day we’ll invent some new instruments again...... {:3_51:}
Reach new heights in the new year: lol
Keep it up, Pig Brother – may things get better and better!
I know quite a few people who have participated in the development of companies by investing through patents, and they earn pretty good returns; even if business volume increases, they still make substantial profits.
Temperature measurement for a furnace that burns corrosive waste gases, around 1200 degrees – what materials are durable for this use?
I’m not an expert when it comes to heat-resistant materials. At high temperatures, it is said that gases can cause penetrative corrosion between the molecules of the material? The method for preventing the penetration of protective gas seems to involve maintaining a certain pressure of nitrogen inside the thermocouple sheath, so that the gas can only penetrate from inside the tube to outside? . .