GB 712—2000.Hull structural steel.1范围GB 712规定了船体用结构钢的尺寸、外形、技术要求、试验方法,检验规则﹑包装、标志及质量证明书。GB 71...
GB/T 8012—2000.Casting tin-lead solders.1范围GB/T 8012规定了铸造锡铅焊料产品要求、试验方法,检验规则及标志,包装、运输,贮存。本标准适用于湿法...
GB/T 889.2-2000.Prevailing torque type hexagon nuts( with non-metallic insert ),style 1,with fine pitch thread.1范镯GB/T 889.2规定了螺纹规格为M8×1~M36×3、细牙螺纹,性...
GB/T 1.1—2000.1范围GB/T1的本部分规定了标准的结构和编写规则,还给出了有关表述的一些样式,并提供了标准出版的格式和字体.字号。本部分适...
GB/T 309—2000.Rolling bearings—Needle rollers.1范围GB/T 309规定了滚针的尺寸,技术要求、测量及检验方法、检验规则、标志及包装。本标准适用于滚...
GB/T 5779.1—2000.Fasteners--Surface discontinuities—Bolts, screws and studs for general requirements.1范围1.1GB/T 5779.1规定的极限适用于一般要求的螺栓﹑螺钉和...
GB/T 223.13—2000.Methods for chemical analysis of iron .steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content.1范围GB/T 223.13规...
GB/T 223.14—2000.Methods for chemical analysis of iron ,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the dctermination of vanadium content....
GB/T 223.78—2000.Methods for chemical analysis of iron , steel and alloy—Curcumin spectrophotometric method for the determination of boron content.1范围GB/T 223.78规定了姜黄...
