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Horst Murzin
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Karl-Marx-Stadt, DL
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Patent Grant
Apparatus for continuous pressing of bolts, screw blanks or similar...
Patent number
4,052,873
Issue date
Oct 11, 1977
Veb Schraubenkombinat
Horst Murzin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...