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4361
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4362
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4363
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4364
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4365
Risk and technological innovation American manufacturing methods during the nineteenth century
Gepubliceerd in 1959Boek -
4366
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4367
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4368
The contribution of engineering to Filipino life.
Gepubliceerd in Education Quarterly (1953)Artikel -
4369
Some goals for technological development in this country.. IN Bren, Harry A. [column]
Gepubliceerd in Education Quarterly (1953)Artikel -
4370