Specification for gears for electric traction
Document status: Active
Round strand and flattened strand steel wire ropes for colliery winding purposes
Document status: Active
Specification for stranded wire ropes for mine hoisting (winding) purposes
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Underground lighting fittings for use in mines
Document status: Active
Specification for white pigments for paints
Document status: Active
White pigment for paints metric units
Document status: Active