Number | Date | Country | Kind |
---|---|---|---|
55-82801 | Jun 1980 | JPX | |
55-85573[U]JPX | Jun 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3447037 | Nissim | May 1969 | |
3521010 | Sato | Jul 1970 |
Number | Date | Country |
---|---|---|
0043427 | Apr 1979 | JPX |
Entry |
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IBM Technical Disclosure Bulletin-vol. 14, No. 10, Mar. 1972, pp. 2896-2897. |