Batteries: thermoelectric and photoelectric
Thermoelectric
Having housing, mounting or support
Inventor
active
Coaxial thermoelements and thermocouples made from coaxial therm
Machine for forming a metal strip into a tubular form having a s
Mechanism and method for removing twists in a tube forming machi
Thermoelectric device
Tube making mechanism having a fill tube for depositing a cerami
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