Foam cutting knife for thermal insulation pipe
The utility model relates to the field of pipe cutting tools, and provides a thermal insulation pipe foam cutter which comprises a first buckling part and a second buckling part which are rotationally connected. The inner wall of the first buckling part and the inner wall of the second buckling part...
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Hauptverfasser: | , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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