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See Chinese contents: GB/T 14685-2011 GB/T 14685-2011: Pebble and crushed stone for construction
This standard specifies the definitions, classification and specification, technical requirements, test methods, inspection rules, symbol, storage and transportation of pebble and crushed stone for building. This standard is applicable to the cement concrete for construction engineering (except hydraulic structure), and the pebbles and crushed stones used for its products.
