TCVN 4681-1989 Pipe cylindical threads《圆柱管螺纹》.pdf

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JB T 6144.2-1992 锥密封胶管总成 圆柱管螺纹锥接头.pdf

TB T 1131-1991 外接头（圆柱管螺）.pdf

CSN ON 22 3322-1963 《螺纹刀具圆柱柄螺纹管》.pdf

TB T 1130-1993 三通（圆柱管螺纹）.pdf

SIS SMS 300-1931 《管螺纹手动螺纹，圆柱形管螺纹（R），SMS36》.pdf

GB T 20324-2006 G系列圆柱管螺纹圆板牙.pdf

SIS SMS 1705-1961 《美式管螺纹，密封型，内部圆柱管螺纹NPSF标称尺寸和物质尺寸》.pdf

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DIN 48088-2-1985 Connecting point for earthing and short-circuiting devices cylinder bolt and annuar slot for earth-side connection《接地的接点和短路设备 连接接地一边带环型槽圆柱形螺栓》.pdf

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