实验室用复杂摆动颚式破碎机颚板技术条件
The specification of the jaw plates of the jaw crushers for laboratory
1988-09-20
DZ/T 0115-1994
实验室用复杂摆动颚式破碎机技术条件
The specification of the jaw crushers for laboratory
1994-06-08
JB/T 4371.1-2002
无扳手三爪钻夹头 第1部分:参数和精度检验
Keyless type three-jaw drill chucks Part 1: Parameters and accuracy testing ( ISO 10888: 1999, Keyless type Three-jaw drill chucks -- Specification, MOD )
2002-07-16
JB/T 9508-1999
实验室高速离心机转头 型号及参数系列
Type and parameter series for laboratory high speed centrfuge rotors