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Gravel and sandy-gravel ballast for railway track. Technical requirements
Document status: Active
Shipbuilding. Inland navigation. Sealing rubber for covers of cargo hatches
Document status: Active
Automobile roads of general use. Crushed stone and gravel from rocks. Determination of resistance to crushing and abrasion
Document status: Active
Timber structures. Method for determination of the yield moment of dowel type fasteners
Document status: Active
