MSZ 5950-1958 《施特鲁克和车削工作镗螺纹的匈牙利标准3168－3172符合及各项要素的套接字》.pdf

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MSZ 5948-1957 《施特鲁克和车削工作镗螺纹 匈牙利行业标准3164和3165制定连接用》.pdf

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