摘要 |
<p>1,082,282. Thermal switches. TATRA, NARODNI PODNIK. Jan. 6, 1965 [Jan. 14, 1964], No. 539/65. Heading H2B. [Also in Divisions F1 and F2] Expansion of liquid in a bulb 22 actuates a diaphragm 26 to close contacts 27, 32. The contact 32 is carried by an adjusting screw 31.</p> |