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Patent for invention

Time：2024-01-29 16:12:07

发明专利证书【一种聚乙烯管材加工用耐热性测试装置】.jpg

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Phone：+86-0532-89945868
Email：qiaotaipipe@126.com
ADD：No. 8 Wenchang Road, Industrial Zone, Xiagezhuang Town, Laixi City, Qingdao, Shandong Province

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