涂料焊条效率、金属回收率和熔敷系数的测定
Covered electrodes--Determination of the efficiency，metal recovery and deposition coefficient
标准状态
发布于：1983-06-21
实施于：1984-03-01
已废止
基本信息
内容预览
Covered electrodes--Determination of the efficiency，metal recovery and deposition coefficient