Robert Matveevich Besprozvanny

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing mineral binder and apparatus embodying same
- Patent number 4,012,639
- Issue date Mar 15, 1977
- Robert Matveevich Besprozvanny
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES