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Advanced pipe and tube welding (module f.21) for engineering: craftsmen/ - 1 ed. - uk : e.i.t.b. 1970. - ", 136p.; 30 cm."
671. 52 eng
Advanced pipe and tube welding (module f.21) for engineering: craftsmen/ - 1 ed. - uk : e.i.t.b. 1970. - ", 136p.; 30 cm."
671. 52 eng