High-strength low-temperature-resistant polypropylene anticorrosive coating for oil and gas transmission
The utility model discloses a high-strength low-temperature-resistant polypropylene anticorrosive coating for oil and gas delivery, which relates to the technical field of oil and gas delivery and comprises a delivery pipe body, a sealing connecting ring is detachably connected to the back of the de...
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Format: | Patent |
Sprache: | chi ; eng |
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