ๆ ๅๅท:bs 6137-1982(r2002) ไธญๆๅ็งฐ: ้ก้ ๅ้็็ต้ๅฑ่ง่ ่ฑๆๅ็งฐ:specification for electroplated coatings of tin/lead alloys icsๅ็ฑป๏ผ25.220.40 ๆ ๅๅ็ฑป็ผๅท๏ผgb ้กตๆฐ๏ผ12 ๅฎๆฝๆฅๆ๏ผ1982-02-26 ๅผ็จๆ ๅ๏ผbs 2011-part 2.1t, bs 3382-parts 5 & 6, bs 3978, bs 4393, bs 5411-part 1, bs 5411-part 5, bs 5411-part 8, bs 5411-part 12, bs 6001, bs 6041, bs 9760 |
bs 6137-1982(r2002)้ก้
ๅ้็็ต้ๅฑ่ง่
2021-07-23 13:00 ๆต่ง:268