Stretching device of PI composite film
The utility model discloses a PI composite film stretching device which comprises a base, a first supporting column is arranged at one end of one side of the top of the base, a second supporting column matched with the first supporting column is arranged at the other end of one side of the top of th...
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Hauptverfasser: | , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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