Definitionen: Unterschied zwischen den Versionen
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==O== | ==O== | ||
;Opening | |||
: '''ISO 6707:''' void in a building element (5.5.4) | |||
==P== | ==P== | ||
| Zeile 42: | Zeile 42: | ||
==O== | ==O== | ||
;Opening | |||
: '''ISO 6707:''' void in a building element (5.5.4) | |||
==P== | ==P== | ||