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Buffering gas cushion machine
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Patent number 11,207,848
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Issue date Dec 28, 2021
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HANGZHOU BING JIA TECHNOLOGY CO., LTD
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Kuangshu Si
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3812572
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Patent number 3,812,572
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Issue date May 28, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3247037
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Patent number 3,247,037
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Issue date Apr 19, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3184358
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Patent number 3,184,358
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Issue date May 18, 1965
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL