| 摘要 |
<p>PCT No. PCT/DE87/00406 Sec. 371 Date Mar. 24, 1989 Sec. 102(e) Date Mar. 24, 1989 PCT Filed Sep. 4, 1987 PCT Pub. No. WO88/02543 PCT Pub. Date Apr. 7, 1988.An electromagnetic switch comprising primary current contacts having rounded contact surfaces inclined to the longitudinal axis of the electromagnetic switch, and a rotatable contact bridge having a spherical contact surface with a radius of curvature which is less than the radius of a rounded contact surface of a primary current contact.</p> |
