Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 20474-2015 |
Asphalt shingles made from glass felt 玻纤胎沥青瓦 |
China National Standards Asphalt shingles made |
English PDF |
GB/T 20474-2006 |
Asphalt shingles made from glass felt 玻纤胎沥青瓦 |
China National Standards Asphalt shingles made |
English PDF |
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