Improved drying device for anti-corrosion coating on inner wall of petroleum pipeline
The utility model relates to the technical field of anticorrosive coatings, in particular to an improved petroleum pipeline inner wall anticorrosive coating drying device which comprises a first base, a first sliding groove is formed in one side of the first base, and a second base is connected to t...
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Format: | Patent |
Sprache: | chi ; eng |
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