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Number of entries (Data is updated on a monthly basis): 46371
GB/T 23561.14-2010
煤和岩石物理力学性质测定方法 第14部分:岩石膨胀率测定方法
Methods for determining the physical and mechanical properties of coal and rock - Part 14: Method for determining the swelling ratio of rock
GB/T 23561.15-2010
煤和岩石物理力学性质测定方法 第15部分:岩石膨胀应力测定方法
Methods for determining the physical and mechanical properties of coal and rock - Part 15: Method for determining the swelling stress of rock
GB/T 3769-2010
Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams
Number of entries (Data is updated on a monthly basis): 46371