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According to § 5 TMG :

ROBOTCHEMIE E. Weischenberg Nachf. GmbH & Co. KG
Schäferstr. 3
Postfach 20 09 23
D-45844 Gelsenkirchen
Tel. +49 (0)209/958 99-0
Fax +49 (0) 209/958 99-44
E-Mail :

Legal form: Limited partnership, based in Gelsenkirchen
Register court: Gelsenkirchen district court, HRA 2059
VAT ID number: DE 125 010 833
Company with personal liability:
Weischenberg Verwaltungsgesellschaft mbH, based in Gelsenkirchen
Register court: Gelsenkirchen district court, HRB 3278

Managing directors: Peter Weischenberg, Sonja Sonntag

Responsible for contents according to § 55 section 2, RStV:

Responsible for contents according to §10, section 3, MDStV (State Treaty on Media Services):

Martin Gasber
Schäferstr. 3
45897 Gelsenkirchen

Legal information

Liability for the content

Although we seek to offer an internet presence which has contents that are up-to-date, comprehensive and correct, we cannot guarantee this.

Pursuant to sec. 7 paragraph 1 TMG, we as the service provider are responsible according to general law for our own contents on our web pages.

However, we are not obliged to monitor external information that has been transferred or saved (sections 8-10 TMG). As soon as we are made aware of infringements of the law, we will immediately eliminate the corresponding contents. A liability to that effect however is first assumed at the point in time at which specific legal infringements become known.
Liability for links

Our web pages contain links to external web pages of third parties. We have no influence over the content of these web pages. Only the respective provider or operator is responsible for the accuracy of their contents; therefore we do not assume any guarantee for such.
At the time that the link was created, we checked the third party web pages for possible legal infringements. At the time that the link was created, no infringements could be detected. We are not capable of constantly monitoring all contents of the linked web pages without concrete indications of infringement. If legal infringements become known to us, we will immediately eliminate the corresponding link.


The contents and works on these web pages created by the pages' operator are subject to German copyright. Any third party contributions are marked as such. Any reproduction, editing, distribution or type of use that goes beyond the copyright requires the written consent of their author or creator. Permission is granted for copying these pages for private use, but not for commercial purposes.

Validity of this disclaimer

Should any provisions or statements of this disclaimer be or become void, the content and validity of the other provisions remains unaffected.

Image source:
Hand with sponge © SkyLine -
steel surface with water drops © Sharpshot -
Housework © Dmitry Naumov-
olive-oil in water © Filipebvarela -
water in motion © 2jenn -
blue foam © Anette Linnea Rasmus -
High pressure washing © Dmitry Naumov -