Number | Date | Country | Kind |
---|---|---|---|
9-219893 | Mar 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5216546 | Hasushita | Jun 1993 |
Number | Date | Country |
---|---|---|
53-16628 | Feb 1978 | JPX |
3-39917 | Feb 1991 | JPX |
5-2247121 | Sep 1993 | JPX |
Entry |
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English Language Abstarct of JP-5-224121, Sep. 3, 1993. |
English Language Abstract of JP-53-16628, Feb. 15, 1978. |
D. Laney, entitled "Leica Lens Practice: Choosing and Using Leica Lenses", Hove Books, pp. 146-147, Jul. 1993. |