There was an error regarding the number and title of the patent given in the article in CPI 4-2012 entitled ‘Takeover of patent for concrete block making machine with harmonic vibration by mould excitation’. The correct patent number is EP 1 590 140 and the patent title is ‘Device for moulding mixtures’.
Hess Group Freier-Grund-Straße 123, 57299 Burbach-Wahlbach, Germany T +49 2736 49760 F +49 2736 497620 info@hessgroup.com, www.hessgroup.com
Emerging from long-established family enterprises, the TOPWERK GROUP is a german provider of machines and equipment for the concrete products industry. As a major supplier with over 850 employees the TOPWERK GROUP has subsidiaries in Europe, North America, South America, Asia and Middle East.
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Freier-Grund-Str. 123
57299 Burbach-Wahlbach
Germany
T +49 2736 497 60
F +49 2736 497 6620
info@topwerk.com
www.topwerk.com
HESS GROUP
Freier-Grund-Straße 123
57299 Burbach-Wahlbach
Germany
T +49 2736 4976 0
info@hessgroup.com
SR SCHINDLER
Hofer Straße 24
93057 Regensburg
Germany
T + 49 941 69682 0
info@sr-schindler.com
PRINZING PFEIFFER
Vinzenz-Pallotti-Strasse 3
65552 Limburg an der Lahn
Germany
T +49 7344 172 0
info@prinzing-pfeiffer.com