YBT 5092-2016 焊接用不锈钢丝.pdf

ICSn.140．的H49YB中华人民共和国黑色冶金行业标准焊接用不锈钢丝Stainlesssteelwi邓forweldingYB/T5092一2016代符Y6/T5092丑0052016-10-22...