| 摘要 |
<p>987,385. Surge diverters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Jan. 6, 1964, No. 542/64. Addition to 956,935. Heading H2H. The surge diverter of parent Specification is modified so that the spacing between the walls of the or each chamber changes stepwise between the maximum distance in the vicinity of the gap and the lesser distance in the constricted part of the chamber.</p> |
