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US6029571A Dampening-unit roller of a printing machine 失效
打印机的减震单元辊

Dampening-unit roller of a printing machine
摘要:
Dampening-unit roller for a dampening unit of a printing machine includes a roller body having an outer cylindrical surface, and a coating on the outer cylindrical surface, the coating including or consisting of an oxide of zirconium and/or an oxide of yttrium.
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