SIS SMS 1291-1968 Fittings for piping Sluice valves Wedge facing rings Nominal pressure 10 kgj cm- above atmospheric《管道配件 水阀 楔形圈公称压力，大气压10千克力 平方厘米》.pdf

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JIS K6777-2009 冷热水供水系统用氯化聚氯乙烯(PVC-C)管道配件(追補1).pdf

JIS K6777-2010 冷热水供水系统用氯化聚氯乙烯(PVC-C)管道配件(修改件2).pdf

JIS K6777-2007 冷热水供水系统用氯化聚氯乙烯(PVC-C)管道配件.pdf

QB T 5036-2017 水暖管道配件 铜管路快速卡压管件.pdf

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GB T 31069-2015 水暖管道配件 铜管路连接件.pdf

QB T 5036-2017 水暖管道配件 铜管路快速卡压管件.pdf

BS ISO 9803-1-2007 Vacuum technology - Mounting dimensions of pipeline fittings - Non knife-edge flange type《真空技术 管道配件的安装尺寸 非刀口法兰型》.pdf

BS ISO 9803-2-2007 Vacuum technology - Mounting dimensions of pipeline fittings - Knife-edge flange type《真空技术 管道配件的安装尺寸 刀口法兰型》.pdf

STAS 478-1984 Malleable cast iron pipe fittings HEXAGON XIPPLES Dimcnsions《展性铸铁管道配件 六角螺纹接头 尺寸》.pdf

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