C0085500_838 Ductile Cast Iron Special Casting for Pressure Main Lines Blank Flange《压力管路用延性铸铁管件–管口盖板》.pdf

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SAE AS 5229-2003 PORT INTERNAL STRAIGHT THREAD AIR CONNECTION DESIGN STANDARD《气压连接用内直螺纹管口的设计标准》.pdf

CNS 6326-1980 Pipe Head Caps《管口盖》.pdf

HG T 2143-2012 搪玻璃设备 管口.pdf

HG T 2143-2006 搪玻璃设备 管口.pdf

HG 20519.26-1992 设备管口方位图.pdf

IRAM 5291-1964 《圆头螺纹水力接管的管口》.pdf

HG T 2143-2018 搪玻璃设备管口.pdf

HG T 2143-1991 搪玻璃设备 管口.pdf

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CNS 6082-1993 Bushings for Rigid Steel Conduits《电线用钢管管口护套》.pdf

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