Stig O. S. Gustavsson

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Linkoping, SE

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Patents Grantslast 30 patents

Information Patent Grant
Building block
- Patent number 4,130,973
- Issue date Dec 26, 1978
- Ingestrom; Curt Holger
- Stig O. S. Gustavsson
- B28 - WORKING CEMENT, CLAY, OR STONE