China
of
Standardization
Administration
of
And
the
Republic
General
Quality
Supervision,Inspection
Quarantine
General
Quality
Supervision,Inspection
People's
and
standardization
quarantine
The
administration
提出部门:
China
Association
And
Steel
Iron
and
steel
iron
起草单位:
China
Standardization
And
&
&
&
Steel
Iron
Information
Information
Institute
Research
Group
Metallurgical
and
standardization
&
&
Co.,Ltd.and
steel
iron
Taiyuan
归口单位:
National
Technical
Committee
Standardization
Steel
technical
committee
standardization
national
steel