Secondary film covering structure of wood-plastic composite wingceltis strip material
The utility model discloses a wood-plastic composite wingceltis strip material secondary film covering structure which comprises a wingceltis strip body and a film covering body, the film covering body is arranged above the wingceltis strip body, a plurality of transverse bayonets are evenly distrib...
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Format: | Patent |
Sprache: | chi ; eng |
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