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g harold silvius

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G. Harold Silvius · McKnight & McKnight

484 sayfa · 1956

Technical education

G. Harold Silvius · McKnight & McKnight Pub. Co.

648 sayfa · 1971

Technical education

G. Harold Silvius, Ed.D., Estell H. Curry, M.A. · Mcknight Publishing Company Bloomington, Illinois

366 sayfa · 1953

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G. Harold Silvius · American Technical Society

103 sayfa · 1945

Safety appliances / Woodworking machinery

G. Harold Silvius · McKnight & McKnight Pub. Co.

645 sayfa · 1967

Industrial arts / Study and teaching

G. Harold Silvius, Ed.D., Ralp C. Bohn, Ed.D. · Mcknight & mcknight Publishing company bloomington, illinois

486 sayfa · 1961

Kategori yok