芯型弹性联轴器
Resilient coupling with core element
Resilient coupling with core element
Technical drawings-Folding on documents
Geometrical Product Specifications(GPS)-Surface texture :Profile method-Rules and procedures for the assessment of surface texture
Technical drawings-Requirements for microcopying
Hoisting hoister
En-masse conveyor
Belt conveyors
Technical drawings-Title blocks
Pipework components-Definition And Selection of nominal pressure
Pipework components-Definition And Selection of nominal size