Number | Date | Country | Kind |
---|---|---|---|
52-011841 | Feb 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3838926 | Kato et al. | Oct 1974 | |
3874799 | Isaacs et al. | Apr 1975 | |
3998855 | Suga | Dec 1976 | |
4025199 | Okame | May 1977 |
Entry |
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Trial Manufacture of Photoelectric Colorimeter using Optical Fibers; Ishikawa et al; Bull. Tokyo Deut. Coll. vol. 10, No. 4, pp. 191-197, Nov. 1969. |
Science New Industrial Materials B-12 Organic Pigment, Kanehara Publishing Co. Ltd., Oct. 20, 1968 T. Kuwata. |