Number | Date | Country | Kind |
---|---|---|---|
249007 | Jul 1984 | PLX |
Number | Date | Country |
---|---|---|
1190054 | Jul 1970 | GBX |
Entry |
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Asta-Werke, "Chem. Abstracts", vol. 71, (1969), 49998m, Abstract of French Pat. No. 1,530,962, 6/28/68. |
Lassauniere et al, "Chem. Abstracts", vol. 71, (1969), 30585c, Abstract of French Pat. No. 1,537,175, 8/23/68. |