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Easy-open end with novel opening and design method thereof
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Easy-open lid capable of preventing lid edge from being scratched and method thereof
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Scraping and blanking device and method for twist cover
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A kind of circular lid pull ring is towards entanglement device
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Device and method for detecting impact resistance of material coating
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Composite cover cup forming die and forming method
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High-sealing packing container with strong adaptability
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High-sealing twist cover with strong adaptability
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Safe easy-to-open metal packaging container
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Safe and easily-opened twist cover
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Composite cap discharging device
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Packaging container with safety reminding structure
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Twist-off type unscrewing cap with safety structure
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Safe opening type packing container
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It is safety-type to turn on lid
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Leakproof packaging container of metal with capaciting material groove
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Covering material adhesive force detects fixture and detection method
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Lid is turned on capaciting material groove
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Antitheft packaging container of metal
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Lid is turned in a kind of leakproof
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