Watch parts

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         2023/09/06 The advantages and characteristics of ceramic watches
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         2022/11/22 Metallic Glass Features and Applications of a New Type of Metallic Alloy
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         2022/04/26 Hard materials and cemented carbides: Characteristics and processing methods
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         2022/03/24 Sapphire Glass [Story of Watch 4]
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         2021/12/27 History of Orbray crystal glass [Story of Watch 3]
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         2021/12/20 Watch glass [Story of Watch 2]
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         2021/11/26 Jewel bearings: Orbray and the watch industry [Story of Watch 1]
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         2021/06/30 Watch Parts: Beautiful work of craftsmanship -the world's first artificial diamond parts-
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         2021/04/26 Crystal of Jewel