Gray iron castings for pipe fittings
GB/T3420-1982灰口铸铁管件
Ductile iron pipe fittings
GB/T13294-1991球墨铸铁管件
Soft mechanical joint grey cast iron fittings
GB/T8715-1988柔性机械接口铸铁管件
Technical requirements of malleable cast iron pipe fittings
GB/T3287-1982可锻铸铁管路连接件技术条件
Cast iron pipes and fittings with flexible joint for sewerage
GB/T12772-1991排水用柔性接口铸铁管及管件
Delivery requirements of malleable cast iron pipe fittings
GB/T3288-1982可锻铸铁管路连接件验收规则
Malleable cast iron pipe fittings--Type size--Inner-square plugs
GB/T3289.33-1982可锻铸铁管路连接件型式尺寸内方管堵
Malleable cast iron pipe fittings--Type size--Tube caps (caps plugs)
GB/T3289.34-1982可锻铸铁管路连接件型式尺寸管帽
Malleable cast iron pipe fittings--Type size--Outer-square plugs
GB/T3289.31-1982可锻铸铁管路连接件型式尺寸外方管堵
APPLICATION OF HIGH STRENGTH CAST IRON TO THIN-WALLED CASTING
高强度铸铁在薄壁铸件铸造中的运用
Malleable cast iron pipe fittings--Type size--Inner joints (nipples hexagon)
GB/T3289.26-1982可锻铸铁管路连接件型式尺寸内接头
Malleable cast iron pipe fittings--Type size--Crosses
GB/T3289.20-1982可锻铸铁管路连接件型式尺寸四通
Malleable cast iron pipe fittings--Type size--Reducing elbows
GB/T3289.4-1982可锻铸铁管路连接件型式尺寸异径弯头
Malleable cast iron pipe fittings--Type size--Reducing crosses
GB/T3289.21-1982可锻铸铁管路连接件型式尺寸异径四通
Malleable cast iron pipe fittings--Type size--Male and female screws (bushings)
GB/T3289.28-1982可锻铸铁管路连接件型式尺寸内外螺丝
Malleable cast iron pipe fittings--Type size--U-Elbows(return bends)
GB/T3289.9-1982可锻铸铁管路连接件型式尺寸U型弯头
Malleable cast iron pipe fittings--Type size--Backnuts
GB/T3289.30-1982可锻铸铁管路连接件型式尺寸锁紧螺母
Malleable cast iron pipe fittings--Type size--Side outlet elbows
GB/T3289.6-1982可锻铸铁管路连接件型式尺寸侧孔弯头