Roughness comparison specimens-Specification for spark-eroded, shot-blasted, grit-blasted and polished specimens
粗糙度比较试样

2010-09-30

BS 2634-2. Roughness comparison specimens. Part 2. Specification for spark-eroded, shot-blasted, grit-blasted and polished specimens
BS 2634-2 粗糙度比较样本 第二部分 火花腐蚀、喷丸、喷砂和抛光试样规范

2010-05-27

表面粗糙度比较样块 第3部分：电火花、抛（喷）丸、喷砂、研磨、锉、抛光加工表面
Surface roughness comparison specimen － Part 3：Spark-eroded，shot-blasted，grit-blasted，lapped，filed and polished surface

2008-02-28