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improvements to devices for centuries to bring a sample into a bath of metal packaging
improvements to devices for centuries to bring a sample into a bath of metal packaging
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机译:数百年来将样品带入金属包装池的设备的改进
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摘要
A sample of effervescent metal is extracted from a bath by plunging a tubular envelope of dehydrated cardboard into the molten metal. The envelope has a packet with a mould at one end which is extended by a chamber with a cross-section which permits correct filling of the chamber. Opposite to the chamber is a tube extending to the exterior to allow the mould to fill without cavities forming in the sample.
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