序號牌號藥皮類型GB/T5117-1995AWS型號ISO型號用途簡述120CHE420T特殊型E43002560-B-E4319A高溫高電壓電站管道焊接121CHE421高鈦鉀型E4313E60132560-B-E4313A低碳鋼薄板結(jié)構焊接
2018-02-22 80/件序號牌號藥皮類型GB/T5117-1995AWS型號ISO型號用途簡述120CHE420T特殊型E43002560-B-E4319A高溫高電壓電站管道焊接121CHE421高鈦鉀型E4313E60132560-B-E4313A低碳鋼薄板結(jié)構焊接
2018-02-22 80/件序號牌號藥皮類型GB/T5117-1995AWS型號ISO型號用途簡述120CHE420T特殊型E43002560-B-E4319A高溫高電壓電站管道焊接121CHE421高鈦鉀型E4313E60132560-B-E4313A低碳鋼薄板結(jié)構焊接
2018-02-22 80/件序號牌號藥皮類型GB/T5117-1995AWS型號ISO型號用途簡述120CHE420T特殊型E43002560-B-E4319A高溫高電壓電站管道焊接121CHE421高鈦鉀型E4313E60132560-B-E4313A低碳鋼薄板結(jié)構焊接
2018-02-22 80/件序號牌號藥皮類型GB/T5117-1995AWS型號ISO型號用途簡述120CHE420T特殊型E43002560-B-E4319A高溫高電壓電站管道焊接121CHE421高鈦鉀型E4313E60132560-B-E4313A低碳鋼薄板結(jié)構焊接
2018-02-22 80/件