Number | Date | Country | Kind |
---|---|---|---|
195 47 073.7 | Dec 1995 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
5637734 | Honda et al. | Jun 1997 |
Number | Date | Country |
---|---|---|
2 205 567 | Dec 1988 | GBX |
Entry |
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Jurgen Falbe, Carbonsauren und Carbonsaure-Derivate, Jun. 28, 1985, pp. 671-672. |