Manufacturing process of light bendable high and low temperature resistant spiral water suction pipe
The invention discloses a manufacturing process of a light bendable high and low temperature resistant spiral water suction pipe. The spiral water suction pipe comprises a pipe body and ribs arranged on the surface of the pipe body, the ribs are extruded by an extruder, a soft material is extruded b...
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Format: | Patent |
Sprache: | chi ; eng |
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