GOST 8.353-1979
ГСИ 長(zhǎng)度在1m以內(nèi)的一等基準(zhǔn)(標(biāo)準(zhǔn))及準(zhǔn)確度0級(jí)的刻線長(zhǎng)度量具檢定方法
State system for ensuring the uniformity of measurements. Standard rigid length measures of the olst accuracy order and working length measures of the 0 accuracy class to 1 m. Methods and means for verificatton