国家标准_第557页 - 在线标准查询

GB 4539-1984 家用缝纫机针杆

GB 4539-1984.Needle bars for household sew ing machines.GB 4539适用于JA. JB型缝纫机的针杆。...

GB 4545-1984.Glass containers 一strees exami nat ion一method of test.GB 4545适用于玻璃瓶...

GB/T 4546-1998.Glass containers一Internal pressure resistance 一Method of test.1范围...

GB 4689.1-1984.Leather -L aboratory sam ple一Location and identi fi cat loo.GB 46...

GB 4689.2-1984.Leather一Conditioning of test pieces for physical tests.GB 4689.2规...

GB 4690-1984.Discrimination of the location of leather.GB 4690适用于黄牛皮、水牛皮、羊皮和猪皮制成...

GB 4691-1984.Measuring the thickness of leather.GB 4691适用于测定皮革成品分类分级时的厚度。1仪器用长臂定...

GB 4738.1-1984.Standard test method for acid, alkaline resistance for ceramic ma...

GB 4738.2-1984.Standard test me thod for acid ，alkaline resistance for ceramic m...

GB/T 4739-1995.Methods for measuring the colorimetry of ceramic pigment.5.4按规定的彩...

