Specification for radio interference suppression on marine installations
Document status: Active
Specification for radio interference suppression on marine installations
Document status: Active
Specification for ceramic insulating materials for general electrical purposes
Document status: Active
Telegraph material (insulators, pole fittings etc.)
Document status: Active
Telegraph material (insulators, pole fittings etc.)
Document status: Active
Specification for dimensions of wrought steel pipe for the petroleum industry.
Document status: Active
Specification for dimensions of steel pipe for the petroleum industry.
Document status: Active