液压二通、三通、四通螺纹式插装阀插装孔
Hydraulic fluid power—Two,three-and four-port screw-in cartridge valves—Cavities

2004-10-20

Hydraulic fluid power — Two-, three- and four-port screw-in cartridge valves — Cavities
液压流体动力——二端口、三端口和四端口旋入式插装阀——腔

2007-10-01

Hydraulic fluid power. Two-, three- and four-port screw-in cartridge valves. Cavities
液压传动 二端口、三端口和四端口旋入式插装阀 腔

2008-01-31

Hydraulic fluid power - Two-, three-, and four-port screw-in cartridge valves - Cavities with UN and UNF threads
液压传动.二端口、三端口和四端口旋入式插装阀.带UN和UNF螺纹的腔体

2009-01-08

Hydraulic fluid power — Two-, three- and four-port screw-in cartridge valves — Cavities with ISO 725 (UN and UNF) threads
液压流体动力——二端口、三端口和四端口旋入式插装阀——带ISO 725（UN和UNF）螺纹的型腔

2013-03-15

Hydraulic fluid power. Two-, three-and four-port screw-in cartridge valves. Cavities with ISO 725 (UN and UNF) threads
液压传动 二端口、三端口和四端口旋入式插装阀 带ISO 725（UN和UNF）螺纹的型腔

2013-04-30