产品几何量技术规范(GPS) 圆锥配合
Geometrical product specifications(GPS)-Cone fit
Geometrical product specifications(GPS)-Cone fit
Multimode optical fibres for telecommunication Part 4:Sectional specification for category A4 multimode fibres
Multimode optical fibres for telecommunication-Part 3 :Sectional specification for category A3 multimode fibres
Micrographics-16 mm planetary camerasTest target for checking performance
Steel die forgings-General specification
Multimode optical fibres for telecommunication-Part 2 :Sectional specification for category A2 multimode fibres
Micrographies-Splices of microfilm with image Dimensions and operational constraints
Metrie trapezoidal serew threads-Limits of sizes
Multimode optical fibres for telecommunication Part 1:Sectional specification for category A1 multimode fibres
Inner packaging materials in preservation