首页>
外国专利>
METHOD OF AND APPARATUS FOR MAKING FATIGUE CRACK ON SAMPLES FOR BRITTLE FAILURE TESTSINY NA OBRAZCAKH DLJA ISPYTANIJA LOTKOGO RASTRESKIVANIJA
METHOD OF AND APPARATUS FOR MAKING FATIGUE CRACK ON SAMPLES FOR BRITTLE FAILURE TESTSINY NA OBRAZCAKH DLJA ISPYTANIJA LOTKOGO RASTRESKIVANIJA