Number | Date | Country | Kind |
---|---|---|---|
63-31095 | Feb 1988 | JPX | |
63-93673 | Apr 1988 | JPX | |
63-93673 | Apr 1988 | JPX | |
63-97454 | Apr 1988 | JPX | |
63-147815 | Jun 1988 | JPX | |
63-147816 | Jun 1988 | JPX |
Entry |
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Chemical Abstracts Service, CA81:91892d, German 2,357,069, Jun. 6, 1974. |
Chemical Abstracts Service, CA111:39833, JA 63/25841, Oct. 25, 1988. |
Chemical Abstracts Service, CA111:78543, JA 63/216867, Sep. 9, 1988. |