JB T7902《无损检测 射线照相检测用线型像质计》送审稿

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1、ICS19.100J04备案号：中华人民共和国机械行业标准JB/T7902—××××代替JB/T7902—1999无损检测射线照相检测用线型像质计Non-destructivetesting—Imagequalityindicators(wiretype)forradiographictesting（请将你们发现的有关专利的内容和支持性文件随意见一并返回）（送审稿）××××-××-××发布××××-××-××实施中华人民共和国国家发展和改革委员会发布JB/T7902—××××目次前言.............................

2、.........................................................................................................................................II1范围...................................................................................................................................

3、...............................12规范性引用文件..............................................................................................................................................13术语和定义....................................................................................

4、..................................................................14分类..................................................................................................................................................................15技术要求...................................

5、.......................................................................................................................15.1概述....................................................................................................................................................

6、...........15.2材料...............................................................................................................................................................25.3尺寸...........................................................................................

7、....................................................................25.4标识...............................................................................................................................................................26检验方法..................................

8、.........................................................................................