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Patents for utility
专利信息
(共计)
62
项
62
授权专利
(项)
43
实用新型
(项)
18
发明专利
(项)
1
外观专利
(项)
Invention patent
Patents for utility
Appearance patent
一种水冷式热封性聚酯薄膜挤出螺杆
一种新型环保袋子
薄膜边膜破损或纠葛报警装置
一种恒温冷却的热封性聚酯薄膜铸片辊
一种环保袋
一种保温桶
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