Aluminum-plastic combined bottle cap capable of improving efficiency and reducing cost
The utility model provides an effect-enhancing cost-reducing aluminum plastic combined bottle cap, which comprises an upper cap piece, an outer cap, an inner cap, a conjoined cylinder, an inner plug, an anti-counterfeiting ring and an aluminum cap, the outer cap inner diameter B of the outer cap is...
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Format: | Patent |
Sprache: | chi ; eng |
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