Richard H. Biddulph

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Surrey, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating refractory boride shapes
- Patent number 4,543,227
- Issue date Sep 24, 1985
- United States Borax & Chemical Corporation
- Richard H. Biddulph
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES