Document Type and Number:
Japanese Patent JP53116875
PURPOSE: To measure the temperature of a material in an oven to be heated so as to warm it with the use of alarm means by converting the variations in volume and pressure of gases or liquid in a responding section into displacement through bourdon tube.
October 12, 1978
March 22, 1977
G08B21/00; G01K5/32; G01K5/36; G08B19/00; G08B21/00; G01K5/00; G08B19/00; (IPC1-7): G01K5/36; G08B19/00