China
China
of
of
of
of
of
Standardization
Administration
Administration
And
And
the
the
Republic
Republic
General
Quality
Supervision,Inspection
Quarantine
People's
People's
提出部门:
China
And
Industry
Association.
Steel
Iron
归口单位:
Technical
Committee
on
of
of
Standardization
Administration
China.
And
Iron
Iron
SC/TC
317
Ore
Direct
Reduced
主管部门:
Technical
Committee
on
of
Standardization
Administration
And
Iron
Iron
SC/TC
317
Ore
Direct
Reduced