1.0Siebert + Knipschild Materialprüfunghttps://siebert-testing.com/en/SuK-Teamhttps://siebert-testing.com/en/author/dibadi-sundk/Seal of quality 2019: Start of application phase - Siebert + Knipschild Materialprüfungrich600338<blockquote class="wp-embedded-content" data-secret="UxVKeCWeoS"><a href="https://siebert-testing.com/en/seal-of-quality-2019-application/">Seal of quality 2019: Start of application phase</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://siebert-testing.com/en/seal-of-quality-2019-application/embed/#?secret=UxVKeCWeoS" width="600" height="338" title="“Seal of quality 2019: Start of application phase” — Siebert + Knipschild Materialprüfung" data-secret="UxVKeCWeoS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://siebert-testing.com/wp-content/uploads/2020/07/siegel_siebert_de_2021_web.jpg600489Each year, Siebert + Knipschild awards companies who have achieved good results in CIPP sewer renovatiopn projects over one year. They are invited to apply for the seal of quality 2019. The documets are available on the website.