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jan 28, 1875 - 德国文克勒用铂石棉催化制硫酸。英国托马斯发明托马斯炼钢法。 

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1875年德国文克勒用铂石棉催化制硫酸。英国托马斯发明托马斯炼钢法。 

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2 May 2023
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Date:

jan 28, 1875
Now
~ 151 years ago