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English Translations » 信息处理 » Process patents for PVC devices

Process patents for PVC devices

2010-10-19View Original

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Is the formula for PVCs with aggregated configurations patented? What are the patents related to PVC manufacturing devices, and where are these patents mainly located? Let’s exchange ideas and learn from each other
Reply #22010-10-19
It can’t be considered a patent anymore, right? The production processes and formulas for PVC are now highly mature!

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Translated at 2026-07-24 23:02:19

Original: https://bbs.hcbbs.com/thread-747080-1-1.html

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