该项专利的想法很简单：从废弃蛋壳中提取氧化钙（CaO），并将其作为替代炭黑和二氧化硅的材料，用于轮胎的填充剂和偶联剂。Stellantis早在2023年年中便向美国专利商标局（U.S. Patent and Trademark ...
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