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GB/T 12212-1990
GB/T 12212-1990 Technical drawings Dimensions, proportions and simplified representation for welding symbols
General Product Information
| Committee | The Mechanical Standards Research Institute of the Ministry of Machinery and Electronics Industry |
|---|---|
| Document Type | National standards |
| Publisher Name | The National Technical Supervision Bureau |
| Standard Status | Replaced |
| Standard Code | GB/T 12212-1990 |
| CCS | Basic standards and general methods |
| ICS | Technical drawing |
| Implement Date | 1990-10-01 |
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$ 84
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$ 84