共找到 289 条与 信号器材 相关的标准,共 20 页
Lenses, filters, reflectors and semi-sealed units for railway signals
Performance test methods for motor-operated barriers
Fixed railway installations. Light gauge conduit set in reinforced concrete and PVC channelling.
Fixed railway installations. Cover for conduit units set in reinforced concrete.
Fixed railway installations. Light gauge conduit units set in reinforced concrete.
Fixed railway installations. Signalling. Junction boxes. Protective sheaths.
Fixed railway installations. Signalling. Tee joints. Double flanges.
Fixed railway installations. Signalling. Double sheaths.
Fixed railway installations. Signalling. Junction boxes and tee joints. Flanges.
Fixed railway installations. Tee joints. Assemblies, boxes and covers.
Fixed railway installations. Signalling. Junction boxes. Assemblies, casings and covers.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. Covers for 90 degrees elbows.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. Stirrups for securing vertical bend covers.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. Covers for vertical bends.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. Vertical bends.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. 90 degrees elbows.
Fixed railway installations. Compact ducting in reinforced concrete for electric lighting cables. Covers for straight units.
Fixed railway installations. Compact ducting in reinforced concrete for electric cables. Straight units.
Fixed railway installations. Compact ducting in reinforced concrete for electric cables.
Fixed railway installations. Signalling. Fixed indicator bracket for reduced track spacing.
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