Patent Abstracts of Japan, vol. 18, No. 065, Feb. 3, 1994. |
Patent Abstracts of Japan, vol. 17, No. 201, Apr. 20, 1993. |
Patent Abstracts of Japan, vol. 16, No. 471, Sep. 30, 1992. |
Patent Abstracts of Japan, vol. 18, No. 115, Feb. 24, 1994. |
Patent Abstracts of Japan, vol. 17, No. 679, Dec. 14, 1993. |
Patent Abstracts of Japan, vol. 18, No. 304, Jun. 10, 1994. |
Patent Abstracts of Japan, vol. 17, No. 576, Oct. 20, 1993. |
Patent Abstracts of Japan, vol. 17, No. 595, Oct. 29, 1993. |
Patent Abstracts of Japan, vol. 18, No. 398, Jul. 26, 1994. |
Patent Abstracts of Japan, vol. 94, No. 011. |
Patent Abstracts of Japan, vol. 16, No. 195, May 12, 1992. |
Patent Abstracts of Japan, vol. 18, No. 025, Jan. 14, 1994. |