SE107605C1SE239440ASE239440ASE107605C1SE 107605 C1SE107605 C1SE 107605C1SE 239440 ASE239440 ASE 239440ASE 239440 ASE239440 ASE 239440ASE 107605 C1SE107605 C1SE 107605C1
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SE
Sweden
Application number
SE239440A
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Publication date
Application filedfiledCritical
Priority to SE239440ApriorityCriticalpatent/SE107605C1/xx
Publication of SE107605C1publicationCriticalpatent/SE107605C1/xx
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots