GB
|
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
|
GB 326-2007
|
|
Paper base petroleum asphalt felt 石油沥青纸胎油毡 |
|
|
|
Issued Date:2007-11-09 |
|
Implemented Date:2008-06-01 |
|
Issued by: |
|
The Standardization Administration of the People's Republic of China |
|
|
|
|
|