| 4882539 |
Monitoring system for electrodynamic wall-thickness and defect testing using a delay line |
Joerg Quittkat |
1989-11-21 |
| 4713201 |
Process for the preparation of salts of a dicarboxylic acid and a diamine |
Georg Pilz, Gert Buerger, Manfred Barl |
1987-12-15 |
| 4713437 |
Salt of oxaalkylenediamine with dicarboxylic acid, containing hydrazine, preparation, and nylon prepared therefrom |
Georg Pilz, Gert Buerger, Manfred Barl |
1987-12-15 |
| 4620162 |
Tunable triangle wave generator with two-phase sinusoidal outputs |
Jorg Quittkat, Ruth Ursula |
1986-10-28 |
| 4233234 |
Continuous manufacture of an aqueous solution of a salt of an alkanedicarboxylic acid and an alkanediamine |
Rudi-Heinz Rotzoll, Paul Duffner, Ernst Dietl, Georg Pilz |
1980-11-11 |
