1.
LAP ARGON ARC WELDING TECHNOLOGY OF THE TITANIUM - ALLOY TUBE
钛合金管路连接件的搭接氩弧焊工艺
2.
Technical requirements of malleable cast iron pipe fittings
GB/T3287-1982可锻铸铁管路连接件技术条件
3.
Delivery requirements of malleable cast iron pipe fittings
GB/T3288-1982可锻铸铁管路连接件验收规则
4.
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
5.
Malleable cast iron pipe fittings--Type size--Union tees
GB/T3289.36-1982可锻铸铁管路连接件型式尺寸活接三通
6.
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
7.
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
8.
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
9.
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
10.
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
11.
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
12.
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
13.
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
14.
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
15.
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
16.
Malleable cast iron pipe fittings--Type size--Side outlet tees
GB/T3289.19-1982可锻铸铁管路连接件型式尺寸侧孔三通
17.
" Malleable cast iron pipe fittings--Type size--Male joints(sockets), male and female joints (sockets)"
GB/T3289.22-1982可锻铸铁管路连接件型式尺寸外接头内外丝接头
18.
" Malleable cast iron pipe fittings--Type size--Union elbows, male and female union elbows"
GB/T3289.35-1982可锻铸铁管路连接件型式尺寸活接弯头内外丝活接弯头