Making patent drawings: by Harry Radzinsky. 96 pages,illustrations, 19 × 26 cms. New York,The Macmillan Company, 1945. Price $3.00 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Making patent drawings: by Harry Radzinsky. 96 pages,illustrations, 19 × 26 cms. New York,The Macmillan Company, 1945. Price $3.00

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