Patent description
Patent description (solutions) from different countries.
1927, USA:
1973, Soviet Union:
1982, Hungary:
1984, Japan:
2005, USA:
Flow figures (1984, USA):
Attachment | Size |
---|---|
Patent description (Hungary) | 253.12 KB |
Patent description (USA) | 270.48 KB |
Patent description (Japan) | 642.78 KB |
Patent description (Soviet Union) | 518.08 KB |
Patent description (USA) | 990.78 KB |
Patent description (USA) | 499.33 KB |