Equipment suitable for technology for coating inside and outside wall of pipeline
The utility model discloses equipment suitable for a coating process for inner and outer walls of a pipeline. The device comprises a feeding frame, a preheating furnace, a preheating delivery chain, a preheating heating furnace, a curing heat-retaining furnace, a curing heating furnace and a curing...
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Format: | Patent |
Sprache: | chi ; eng |
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