钟表玻璃及钟锤（按其构成材料归类）；
Clock or watch glasses or weights (classified according to their constituent material);
该产品主要用于医用针头钟表配件汽车尾气管及其它一些不锈钢非金属材料的切割。
These products are used for cutting of hypodermic needles, watch parts, exhaust convertor tubing and other stainless steel or some nonferrous material.
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