![[Paper version book/standard] GB/T 12212-2012 technical drawings Size, proportion and simplified representation of weld symbols](http://img14.360buyimg.com/imgzone/s320x320_jfs/t1/137668/3/12420/39349/5f996a08Ea932a8fe/4ec6b499e0518203.jpg "[Paper version book/standard] GB/T 12212-2012 technical drawings Size, proportion and simplified representation of weld symbols")
![GB/T 12212-2012 Technical drawings Size, proportion and simplified representation of weld symbols [Paper version]](http://img14.360buyimg.com/imgzone/s320x320_jfs/t1/304634/7/6024/55321/6837da2aF7a111190/77d171f4a163b784.jpg "GB/T 12212-2012 Technical drawings Size, proportion and simplified representation of weld symbols [Paper version]")
![[PDF Electronic Version] GB/T 12212-2012 Technical Drawing Size, Scale and Simplified Representation of Weld Symbols](http://img14.360buyimg.com/imgzone/s320x320_jfs/t1/154302/13/26153/69718/66459f58Fb2551933/141d10028ab61055.png "[PDF Electronic Version] GB/T 12212-2012 Technical Drawing Size, Scale and Simplified Representation of Weld Symbols")
![[New product spot][New product spot][Spot] Yilin Youth Edition Combined Volume 1 Selection of the total volume of the youth readers Children's literature junior high school composition materials teaching aids subscription official flagship store elementary school students extracurricular readings in total four books in 2024 total number 120+121+12212](http://img14.360buyimg.com/imgzone/s320x320_jfs/t1/273586/10/20335/192563/67fe1094Fdac5196f/76a3616442fc529f.jpg "[New product spot][New product spot][Spot] Yilin Youth Edition Combined Volume 1 Selection of the total volume of the youth readers Children's literature junior high school composition materials teaching aids subscription official flagship store elementary school students extracurricular readings in total four books in 2024 total number 120+121+12212")
..
US$91.37
![[Self-operated hot-selling spot][Self-operated hot-selling spot][Self-operated hot-selling][Self-operated spot] Yilin Youth Edition Combination Volume Selection of the Volume of the Book of Youth Readers Children's Literature Junior and High School Composition Materials Teaching Aids Subscription Official Flagship Store Primary School Students' Extracurricular Reading Spot Total Four Books in 2024 120+121+12212](http://img14.360buyimg.com/imgzone/s320x320_jfs/t1/272389/32/11613/192563/67e620ebF7e2d2e5a/8f78d38405771c7f.jpg "[Self-operated hot-selling spot][Self-operated hot-selling spot][Self-operated hot-selling][Self-operated spot] Yilin Youth Edition Combination Volume Selection of the Volume of the Book of Youth Readers Children's Literature Junior and High School Composition Materials Teaching Aids Subscription Official Flagship Store Primary School Students' Extracurricular Reading Spot Total Four Books in 2024 120+121+12212")
..
US$91.94
..
US$91.37
