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94810223 | Apr 1994 | EPX |
Number | Name | Date | Kind |
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4072935 | Rydborn | Feb 1978 | |
4177838 | Van Wilson et al. | Dec 1979 | |
4372346 | Hutter | Feb 1983 | |
4872488 | Gryson et al. | Oct 1989 | |
5313692 | Mizuuchi et al. | May 1994 |
Number | Date | Country |
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0601920 | Dec 1993 | EPX |
1333993 | Jul 1962 | FRX |
1492492 | Aug 1967 | FRX |
1523985 | May 1968 | FRX |
2421131 | Oct 1979 | FRX |
Entry |
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Patent Abstracts of Japan, vol. 9, No. 322 (M-440) (2045), Dec. 18, 1985 & JP-A-60 157 463 (Mitsubishi Jukogyo) Aug. 17, 1985. Abstract. |