Mil-a-12560 mil spec single material response or mil-a-41600 mil spec single material response
Mil-a-12560, cl 1 mil spec 1st material response or astm a829 assn std 2nd material response
Mil-a-12560 mil spec 1st material response or astm a829 assn std single material response
Mil-a-12560 mil spec 1st material response or astm a829 assn std 2nd material response