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词汇 Transfer roller
分类 英语词汇 英语翻译词典
释义

Transfer roller

英语百科

Transfer roller

The transfer roller was used in the production of the first postage stamps, (the Penny Black, Two pence blue and the VR official). It transferred the image of the stamp from the master die to the printing plate.

The roller was sufficient in size to take between 2 and 8 impressions from the original master die.

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