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全局置顶 隐藏置顶帖 ====================新用户回帖专用==================== - [阅读权限 100] admin 2020-9-4 18:08 16 drwnj 2020-9-4 18:09
全局置顶 隐藏置顶帖 预览 ==============VIP获取方法============== paper 2020-7-17 13:03 6430 youyou 2020-8-11 14:50
全局置顶 隐藏置顶帖 提供Cortellis|Capital IQ|S&P Global Market Intelligence|Scifinder账号 - [阅读权限 10] paper 2020-7-13 23:08 046 paper 2020-7-13 23:08
全局置顶 隐藏置顶帖 提供SAE、BS、ASTM 标准下载 - [阅读权限 10] paper 2018-11-16 12:40 0103 paper 2018-11-16 12:40
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API STD 12R1 2020 Installation, Operation, Maintenance, Inspection, and Repai... - [阅读权限 255] new 2020-7-16 21:23 01 new 2020-7-16 21:23
BS EN 14620-2 Design and manufacture of site built, vertical, cylindrical, fl... - [阅读权限 255] new 2020-6-28 11:16 01 new 2020-6-28 11:16
EN 14620-1 Design and manufacture of site built, vertical, cylindrical, flat-... - [阅读权限 255] new 2020-6-28 09:25 01 new 2020-6-28 09:25
API STD 625 Tank Systems for Refrigerated Liquefied Gas Storage - [阅读权限 255] new 2020-6-25 12:49 01 new 2020-6-25 12:49
TAPPI TIP 0305-21 2020 Ordering steel rule cutting dies - [阅读权限 255] new 2020-6-24 18:34 01 new 2020-6-24 18:34
ISO 16534 2020 Thermal insulating products for building applications – Deter... - [阅读权限 255] new 2020-6-22 20:46 01 new 2020-6-22 20:46
ISO 29470 2020 Thermal insulating products for building applications – Deter... - [阅读权限 255] new 2020-6-22 20:44 01 new 2020-6-22 20:44
ISO 16546 2020 Thermal insulating products for building applications — Dete... - [阅读权限 255] new 2020-6-22 15:55 01 new 2020-6-22 15:55
ESDU 16008 2017 Frictional and retarding forces on aircraft tyres – Introdu... - [阅读权限 255] new 2020-6-21 13:08 01 new 2020-6-21 13:08
API STD 521 2020 Pressure-relieving and Depressuring Systems - [阅读权限 255] new 2020-6-21 13:05 01 new 2020-6-21 13:05
API STD 650 2020 Welded Tanks for Oil Storage - [阅读权限 255] new 2020-6-21 13:04 01 new 2020-6-21 13:04
NFPA 68 2018 STANDARD ON EXPLOSION PROTECTION BY DEFLAGRATION VENTING - [阅读权限 255] new 2020-6-21 13:02 01 new 2020-6-21 13:02
NFPA 654 2020 Standard for the Prevention of Fire and Dust Explosions from t... - [阅读权限 255] new 2020-6-21 13:01 01 new 2020-6-21 13:01

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