schachtunterteil with eingeformter poetry

摘要

in a schachtunterteil a kanalisationsschachts, with the schachtunterteil essentially made of concrete, a plastic lining its inside surfaces in existing, as well as high and auslaufu00f6ffnungen in which pipes are connected, proposes the course when, a washer which influx and / or auslaufu00f6ffnung surroundsas an integral part of the schachtunterteils is provided, with the seal of the plastic of the lining umgossen.