Vanya Ivanova-Tsaneva

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Vidin, BG

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Patents Grantslast 30 patents

Information Patent Grant
Gypsum fiber board and method for producing gypsum fiber boards
- Patent number 10,562,817
- Issue date Feb 18, 2020
- Knauf Gips KG
- Wolfgang Voigt
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
GYPSUM FIBER BOARD AND METHOD FOR PRODUCING GYPSUM FIBER BOARDS
- Publication number 20200181022
- Publication date Jun 11, 2020
- KNAUF GIPS KG
- Wolfgang Voigt
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
HOLLOW-FLOOR ELEMENTS AND METHOD FOR MANUFACTURING A HOLLOW-FLOOR E...
- Publication number 20180127988
- Publication date May 10, 2018
- KNAUF GIPS KG
- Jürgen Burczeck
- B32 - LAYERED PRODUCTS
Information Patent Application
GYPSUM FIBER BOARD AND METHOD FOR PRODUCING GYPSUM FIBER BOARDS
- Publication number 20170362126
- Publication date Dec 21, 2017
- KNAUF GIPS KG
- Wolfgang Voigt
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES