Rock drilling equipment; drill rods with tapered connection for percussive drilling
Edition 1991-01

Ferronickel; Determination of silicon content; Gravimetric method
Edition 1985-10

Micrographics; graphical symbols for use in microfilming
Edition 1990-04

Plastics; cellulose acetate; determination of insoluble particles
Edition 1990-09

Water quality; determination of borate; spectrometric method using azomethine-H
Edition 1990-09

Crude petroleum; determination of water; distillation method
Edition 1990-12

Cycles; external dimensions of spoke nipples
Edition 1991-01

Rock drilling equipment; left-hand rope threads
Edition 1991-02

PVC-coated fabrics for tarpaulins; specification
Edition 1990-06

Information technology; programming languages; Pascal (revision of ISO 7185:1983)
Edition 1990-10