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High Frequency Longitudin Electric Resistance Welded ERW API Linepipe Production Line | 
| Create: 07/26/2017 | 
| Expired Date: | 07/27/2019 | 
| Category: | Ore&Mineral&Mining | 
| Message: | High Frequency Longitudin Electric Resistance Welded ERW API Linepipe Production Line,High Frequency Electric Resistance Welded Steel Pipe Production Line url:http://www.tjzdpipe.com | 
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| City: | Tianjin[CN] 
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| Location: | 
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