Paper-plastic cup cover
The invention relates to a paper-plastic cup cover, which comprises a cup cover body. The periphery of the cup cover body is connected with a circle of sealing clamping seat; a sealing clamping grooveis formed in the lower side of the sealing clamping seat; the sealing clamping groove is in interfer...
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Format: | Patent |
Sprache: | chi ; eng |
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