ASTM D 1970-2001 冰壩防護(hù)用作為陡斜屋面襯底的自粘聚合物改... |
小黑屋|Archiver|計(jì)量論壇
( 閩ICP備06005787號-1—304所 )
電話:0592-5613810 QQ:473647 微信:gfjlbbs閩公網(wǎng)安備 35020602000072號
GMT+8, 2025-7-10 02:33
Powered by Discuz! X3.4
Copyright © 2001-2023, Tencent Cloud.