groundwater protection class

1. 001
   Current rev 04

   17 Aug 2015 · 15:40 UTC by BATCH 00000917

   Show source files View on cdd.iec.ch ↗
2. 001
   superseded rev 03

   23 Jul 2015 · 11:08 UTC by BATCH 00000907

   ⏱ View this version ⇄ Diff vs current ↓ Version JSON

   Show source files View on cdd.iec.ch ↗
3. 001
   superseded rev 02

   22 Jul 2015 · 14:21 UTC by BATCH 00000904

   ⏱ View this version ⇄ Diff vs current ↓ Version JSON

   Show source files View on cdd.iec.ch ↗
4. 001
   superseded rev 01

   04 Jul 2013 · 14:32 UTC by BATCH 00000825

   ⏱ View this version ⇄ Diff vs current ↓ Version JSON

   Show source files View on cdd.iec.ch ↗

IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.