Qualifications and duties for authorized nuclear inspection agencies and personnel ; addenda .
经批准的核检验机构和人员的资格鉴定和责任;补充件。
Standard for the qualification of elevator inspectors ; addenda .
电梯检验人员合格资格鉴定。
A brief introduction to 2005 addenda of asme boiler and pressure vessel code , section i. leaning some important changes in it and comparing with the relevant provisions in china standard .