Method of making multifin helical fin tubes
作者： John R Gier
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lens.org 参考文章(6)
Langewis Cornelis, Dougan L Jones, Method of affixing fins to tubing ,(1956)
Patterson James M, Manufacture of flighted articles ,(1948)
Roberts Robert Eldon, Roberts Fred Thomas, Method of making flexible tubes ,(1943)
Arvid C K Nihlen, Karl A Gardner, Finned tubing manufacture ,(1960)
Matheny Jr William F, Matheny William F, Method of forming finned tubing ,(1958)
Arnold W Schmidt, Seamless cover for paint rollers ,(1954)