bs 1139-2.1-1991 metal scaffolding. couplers. specification for steel couplers, loose spigots and base-plates for use in working scaffolds and falsework...

價格:25文庫幣

bs 7140-1995 木材加工機床發出的空氣傳播噪聲.木材加工機床的操作條件...

價格:25文庫幣

bs 1139-3-1994 metal scaffolding - specification for prefabricated mobile access and working towers ...

價格:25文庫幣

bs 3015-1991, iso 2041-1990 terms relating to mechanical vibration and shock...

價格:25文庫幣

bs 1664-8-1974 五種質量的機織棉帶規范...

價格:25文庫幣

bs 7354-1990 高壓敞開式接線站設計實用規程...

價格:25文庫幣

bs iso 4309-2004 cranes — wire ropes — care, maintenance, installation, examination and discard...

價格:25文庫幣

bs en 60684-2-1997 絕緣軟套管規范.試驗方法...

價格:25文庫幣

bs iso iec 8822-1994 信息技術.開放式系統互聯.演示式工作定義...

價格:25文庫幣

bs 90-1975 specification for direct-acting electrical recording instruments and their accessories...

價格:25文庫幣

bs 1377-2-1990 土木工程用土壤試驗方法.第2部分分類試驗...

價格:25文庫幣

bs 848-1-1997 fans for general purposes. performance testing using standardized airways...

價格:25文庫幣

bs iso iec 8650-1-1996 信息技術.開放系統互連.相關控制服務器元件定向連接協議.協議規范...

價格:25文庫幣

bs 903-2-1997 橡膠的物理試驗.橡膠試驗統計應用導則...

價格:25文庫幣

bs 970-1-1991 specification for wrought steels for mechanical and allied engineering purposes. general inspection and testing procedures and ...

價格:25文庫幣

bs iec 60988-2009 核電站.對安全性重要的儀器.探測松動零件的聲音監測系統的性能,設計準則和操作程序...

價格:25文庫幣

bs 449-2-1969 specification for the use of structural steel in building. metric units...

價格:25文庫幣

bs 1006-1990 c06 colour fastness to domestic and commerical laundering...

價格:25文庫幣

bs 3447-1962 glossary of terms used in the glass industry...

價格:25文庫幣

bs en 61158-5-10-2008 工業通信網絡.現場總線規范.應用層服務定義.10型元件...

價格:25文庫幣