Eventually, instead of printing from these directly, he employed them to stamp out intermediate dies which were then used as moulds to mass produce letter blocks made of a lead alloy.

渐渐地，他不再直接使用这些小钢块，而是利用它们压制出中等大小的模具，用这些模具可以批量生产出铅合金的字母块。

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Micro-channel device, protected alloy surface in catalyst, alumina supported catalyst, catalyst intermediate, and method for forming catalyst and micro-channel device.

微通道装置和催化剂中受保护的合金表面，氧化铝负载的催化剂，催化剂中间体，形成催化剂和微通道装置的方法。

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The present invention discloses one kind of pressure cast modified zinc alloy produced by adding modifier or modifying intermediate alloy during pressure casting of zine alloy.

本发明公开了一种变质压铸锌合金，它是在常规的压铸锌合金生产过程中加入变质剂或变质剂中间合金。

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