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GB/T 15645-1995磁帶錄像機與配接設備的互連Interconnection between video tape recorders and attached instrumen...2022-06-05

DIN EN ISO 15245-1-2021Gas cylinders - Parallel threads for connection of valves to gas cylinders - Part 1: ...2022-03-31

GB/T 40375-2021金屬連接（緊固）結構耐蝕作業(yè)技術(shù)規范Technical specification of corrosion control operation for me...2022-03-18

GB/T 40565.2-2021液壓傳動(dòng)連接快換接頭第2部分：20 MPa～31.5 MPa平面型Connections for hydraulic fluid power. Qui...2022-03-14

GB/T 40565.3-2021液壓傳動(dòng)連接快換接頭第3部分：螺紋連接通用型Connections for hydraulic fluid power. Quick-act...2022-03-14

GB/T 40565.4-2021液壓傳動(dòng)連接快換接頭第4部分：72 MPa螺紋連接型Connections for hydraulic fluid power. Quick-a...2022-03-14

Dynamic Responses of Pontoons Connecting Process of Mobile Offshore Base2020-11-11

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