- BS EN ISO 17892-9 2018 Geotechnical investigation and testing. Laboratory testing of soil. Consolidated triaxial compression tests on water saturated soils 岩土调查和测试.土壤的实验室测试.在水饱和土壤上进行固结三轴压缩试验.pdf
- BS EN ISO 17892-4 2016 Geotechnical investigation and testing - Laboratory testing of soil Part 4 Determination of particle size distribution.pdf
- BS EN ISO 17892-12 2018/A1 2021 Geotechnical investigation and testing. Laboratory testing of soil. Determination of liquid and plastic limits 岩土调查和测试 土壤的实验室测试 液体和塑料极限的确定.pdf
- BS EN ISO 17892-11 2019 岩土调查和测试.土壤的实验室测试.渗透性测试 Geotechnical investigation and testing. Laboratory testing of soil. Permeability tests.pdf
- BS EN ISO 17639 2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds.pdf
- BS EN ISO 15614-8 2016 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Welding of tubes to tube-plate joints.pdf
- BS EN ISO 15614-1 2017/A1 2019 Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys.pdf
- BS EN ISO 14732 2013 Welding personnel. Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials.pdf
- BS EN IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf
- BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf
- BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf
- BS EN IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf
- BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf
- BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf
- BS EN 206 2013/A2 2021 Concrete. Specification, performance, production and conformity.pdf
- BS EN 196-6 2018 Tracked Changes. Methods of testing cement. Determination of fineness.pdf
- BS EN 196-3 2016 Tracked Changes. Methods of testing cement. Determination of setting times and soundness.pdf
- BS EN 196-1 2016 Tracked Changes. Methods of testing cement. Determination of strength.pdf
- BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf
- BS EN 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf
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