Dyckerhoff Zementwerke A.G.

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Wiesbaden, DT

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Information Patent Grant
Method for the production of synthetic wollastonite materials
- Patent number 4,047,968
- Issue date Sep 13, 1977
- Dyckerhoff Zementwerke AG
- Heinrich ZURStrassen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Expanded synthetic calcium silicates
- Patent number 3,998,650
- Issue date Dec 21, 1976
- Dyckerhoff Zementwerke A.G.
- Carl Heinrich Schmitt-Henco
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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