Browse "RIMS Patents" by Author 이정석
Showing results 1 to 2 of 2
| Antifreeze corrosion inhibitor composition for aluminum engines and radiators 시스템생성자; 정일남; 황상요; 이정석, 1989-10-10 |
| 자동차방열기용부동액조성물 시스템생성자; 정일남; 황상요; 이정석, 1991-09-04 |
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- 125 1981 - 1989