Method of making a porous element
作者： Lenel Fritz , Reddy Richard L
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lens.org 参考文章(4)
Franz R Hensel, Method of making porous bearing surfaces ,(1945)
Levi Roberto, Method of manufacturing tungsten articles of predetermined shape and dimensions ,(1951)
Jr Harry Lindsay Wheeler, Process for machining porous metals ,(1950)
Wulff John, Method of producing filters ,(1942)