Jacobs J. Spanjer

Follow

Person

Nunspeet, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Hardening granulated material at elevated temperatures
- Patent number 4,880,582
- Issue date Nov 14, 1989
- Aardelite Holding B. V.
- Jacobs J. Spanjer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES