国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標(biāo)網(wǎng)! 客服QQ:772084082 加入會(huì)員

AS B294-1970過渡

Plain setting rings for internal measuring equipment (inch series)

出版:Standards Australia

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標(biāo)準(zhǔn)狀態(tài)變更提醒服務(wù)!

專家解讀視頻

基本信息
標(biāo)準(zhǔn)編號(hào): AS B294-1970
標(biāo)準(zhǔn)類別:Standard
出版單位:Standards Australia
標(biāo)準(zhǔn)頁(yè)數(shù):10
標(biāo)準(zhǔn)簡(jiǎn)介

Covers rings for setting instruments used for precision measurement of internal diameters by two-point or three-point contact methods, in a range of diameters from 0.08 in. to 6 in. It establishes a series of blank sizes; defines material, its heat treatment and hardness; and specifies requirements for working surface with respect to finish and accuracy. Three grades of accuracy are provided for. For metric series rings see AS 1001.

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

Doc 1433 (1969)