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GB 7231-2003
New product
GB 7231-2003
GB 7231-2003 Basic indentification colors and code indications and safety sign for industrial pipelines (English Version)This product is no longer in stock
More info
| Author | GB National Standard |
|---|---|
| Editor | CODCHI |
| Document type | Standard |
| Format | File |
| Year | 2003 |
| Country | China |