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The diffusion and production of numerically controlled machine tools with special reference to Argentina

✍ Scribed by Daniel Chudnovsky

Book ID
113326878
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
993 KB
Volume
16
Category
Article
ISSN
0305-750X

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## Abstract Methods have been developed which allow of full analysis of the known basic products formed in the reaction between aqueous ammonium salts and formaldehyde, namely of ammonia, mono‐, di‐, and trimethylamines, and the condensation products of formaldehyde with mono‐ and dimethylamines. T