Electric immersion heating elements; screw-in type, G 1 1/2 B thread with metal-sheathed tubular heating elements of 6.5 and 8.5 mm diameter; dimensions and input rating
浸入式电热元件；拧入式 G1 1/2 B螺纹 带有直径为6.5和8.5 mm的金属护套管状加热元件；维度和输入评级

1985-01-01