摘要 |
<p>1,209,526. Pressure switches. ROBERT BOSCH G.m.b.H. 26 Jan., 1968 [28 Jan., 1967], No. 4080/68. Heading H1N. [Also in Division G1] In a pressure switch as shown, Fig. 3, differential pressure across a diaphragm 71 actuates a micro-switch 83 through an adjustable rod 78.</p> |