Mil-b-24480 mil spec 1st material response and astm-b148 national spec 1st material response
Mil-b-24480 mil spec single material response body or mil-b-24059 mil spec single material response body
Mil-b-24480 mil spec 1st material response body and astm b148 assn std 2nd material response body
Mil-b-24480 mil spec single material response body and astm b148 assn std single material response body