DB4403 T 416-2023 住宅小区高空抛物安全防范要求.pdf

相关资源

DB31 294-2003 住宅小区安全技术防范系统要求.pdf

GB T 21741-2008 住宅小区安全防范系统通用技术要求.pdf

DB33 768.12-2013 安全技术防范系统建设技术规范 第12部分 住宅小区.pdf

DB33 768.12-2009 安全技术防范系统建设技术规范第12部分：住宅小区.pdf

DB31 294-2003 住宅小区安全技术防范系统要求.pdf

DB34 T 490-2005 住宅小区安全防范系统设计规程.pdf

DB33 768.12-2009(2013) 安全技术防范系统建设技术规范 第12部分 住宅小区.pdf

DB41 T 1514-2017 住宅小区安全防范系统技术规范.pdf

DB43 159-2002 居民住宅小区安全防范系统技术规范.pdf

DB43 T 185-2003 住宅小区智能化系统等级评定标准.pdf

猜你喜欢

NASA NACA-TN-2294-1951 Lift and pitching derivatives of thin sweptback tapered wings with streamwise tips and subsonic leading edges at supersonic speeds《在超音速下 带有沿气流方向倾斜和亚音速前缘的薄后掠锥.pdf

NASA NACA-TN-2324-1951 Fatigue strengths of aircraft materials axial load-fatigue tests on unnotched sheet specimens of 24S-T3 and 75S-T6 aluminum alloys and of SAE 4130 steel《24S-.pdf

NASA NACA-TN-2335-1951 A plan-form parameter for correlating certain aerodynamic characteristics of swept wings《掠翼相关联的制定空气动力特性平面图形式的参数》.pdf

NASA NACA-TN-2340-1951 A survey of methods for determining stability parameters of an airplane from dynamic flight measurements《采用动态飞行测量测定飞机稳定性参数的调查方法》.pdf

NASA NACA-TN-2360-1951 Effect of tail surfaces on the base drag of a body of revolution at Mach numbers of 1 5 and 2 0《当马赫数为1 5和2 0时 尾翼面对回转体底部阻力的影响》.pdf

NASA NACA-TN-2392-1951 Charts giving critical compressive stress of continuous flat sheet divided into parallelogram-shaped panels《给出分成平行四边形面板连续平板临界压缩应力的图表》.pdf

NASA NACA-TN-2399-1951 Applicability of the hypersonic similarity rule to pressure distributions which include the effects of rotation for bodies of revolution at zero angle of att.pdf

NASA NACA-TN-2416-1951 Theoretical study of some methods for increasing the smoothness of flight through rough air《增加穿过扰动气流的飞行平滑度的一些方法的理论研究》.pdf

NASA NACA-TN-2440-1951 Wind-tunnel investigation and analysis of the effects of end plates on the aerodynamic characteristics of an unswept wing《端板对非扫掠机翼空气动力特性影响的风洞研究和分析》.pdf