Designation: A 388/A 388M – 03Used in USNRC-RDT standardsAn American National StandardStandard Practice forUltrasonic Ex amination of Heav y Steel Forgings1This standard is issued under the fixed designation A 388/A 388M; the number immediately following the designation indicates the yearof origin...
时间:2025-01-27 11:56栏目:行业资料