标题 |
专利、报告等 Phosgene treatment of amines for mono-, di- and polyisocyanates
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其它 |
By: Iben, Hans; Kattanek, Siegfried; Backhauss, Lothar; Welschinger, Gerd; Gansera, Benno; Loeschau, Siegbert; Meyer, Albert Ger. (East) (1978), 6 pp. CODEN:GEXXA8 |
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