|
1129| 0
|
ASTM D2639/D2639M-21 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer |
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2026-8-15 15:14
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.