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
Industry
Building
Federation.
Material
主管部门：
Standardization.
SAC/TC
Technical
Committee
of
And
the
425,National
Aerospace
Technology
Application
归口单位：
SAC/TC
National
Technical
Committee
on
of
of
Standardization
Administration
China.
And
Materials
Building
285
Paving
Wall&Roof
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