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Tamping picks of ballast tampers for leveling and lining railway tracks. Specifications

Document status: Active

Automobile roads of general use. Viscous petroleum road bitumens. Method of determination tensile properties

Document status: Cancelled

Reinforced concrete lintels for brick wall buildings. Specifications

Document status: Active

Cements. Methods of tests of bending and compression strengths

Document status: Active

Natural rubber latex concentrate. Determination of boric acid content

Document status: Active

Automobile roads of general use. Bridge constructions. Clearance diagram of bridge constructions

Document status: Active