标准编号：ISO 5781:2016
中文名称：液压传动 减压阀,顺序阀,卸荷阀,节流阀和止回阀 装配面
英文名称：Hydraulic fluid power — Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves — Mounting surfaces
发布日期：2016-08
标准范围
This International Standard provides a method for the measurement of the surface of leather or leather parts by the use of electronic measuring machines.It applies to the measurement of leather (or leather parts) fulfilling the following requirements:— flexible leather, finished or unfinished, dry or wet leather;— flexibility: such to allow full distension on the measuring line/surface.NOTE For tanned and pressed wet leather, the parties involved agree on the conditioning type. In case of dispute, leather is to be conditioned according to the reference standard conditions in ISO 2419.
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