mazbut

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Member Since May 14, 2008

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Answered: How can I sell my invention of a precision ...

sorry no response yet from anyone at Yedda ! For your information I invented an automatic continuous shrimp cleaning machine in 1983 and got a Patent for it then. Unfortunatley, I could not find any ...

Posted 4 years ago

Answered: Can I use R22 for cold stores (-20C) and blast ...

Sorry, I have not found the answer on Yedda. However, I discovered in a book that I could use an azeotrope of Freon 22 75 % and F 12 25 % to do the job for the compressor initially built to run on ...