Expansion device for pipeline anti-corrosion heat shrinkable sleeve
The utility model relates to an expansion device for a pipeline anti-corrosion heat-shrinkable sleeve, which belongs to the technical field of expansion of pipeline anti-corrosion heat-shrinkable sleeves and comprises a main body, a fixing device is fixed at the upper end of the main body through bo...
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Format: | Patent |
Sprache: | chi ; eng |
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