Number | Name | Date | Kind |
---|---|---|---|
3788912 | Frantzen | Jan 1974 | |
4741798 | Haas | May 1988 |
Number | Date | Country |
---|---|---|
0076879 | May 1984 | JPX |
0093881 | May 1984 | JPX |
Entry |
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Adjustable Nozzles for Spray Etchers, Heilemann et al., IBM Technical Disclosure Bulletin, vol. 13, No. 12, May 1971. |