符合的藏品

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主要題名-中文:牛鼻環（分類號H1...

of base metal; brass rings were less prone to rust. These nose rings were placed in the noses of cattle.....more

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a balance. In the early days, iron was expensive. Moreover, iron weights were prone to rust. Using stone.....more

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, most dental equipment was made of iron which entailed a great deal of polishing to prevent rust.....more

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, most dental equipment was made of iron which entailed a great deal of polishing to prevent rust.....more

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, most dental equipment was made of iron which entailed a great deal of polishing to prevent rust.....more

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