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seen in framstellning of subject-matter on pulvermetallurgisk veggies
seen in framstellning of subject-matter on pulvermetallurgisk veggies
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机译:在粉状金黄色蔬菜的主题画面中看到
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摘要
The invention consists of a process for the production of articles by powder metallurgy including the step of adding powdered mica to the metal powder before compacting and sintering. It also extends to a sintered metal product containing mica, in particular a valve seat insert and a shock absorber piston ring. The quantity of mica is preferably between 0.5% and 2% by weight of the metal.
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