论文部分内容阅读
下述材料得到宾夕耳法尼亚州诺里斯敦Superior tube 公司的特许,摘引自“Su—perior Tube Electronic Products”(1956年第51号目录)。Cathaloy A-30 这是一种活性级镍合金,用于电子管高速生产。全面的试验结果说
The following materials are licensed by Superior tube, Norristown, PA, excerpted from “Su-perior Tube Electronic Products” (Catalog No. 51 of 1956). Cathaloy A-30 This is an active grade nickel alloy for high-speed tube production. Comprehensive test results say