Fritz VON Langsdorff

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Stuttgart, DT

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Patents Grantslast 30 patents

Information Patent Grant
Composite paving structures and laying units therefor
- Patent number 4,016,692
- Issue date Apr 12, 1977
- F. von Langsdorff Bauverfahren GmbH
- Reinhard Jordan
- B28 - WORKING CEMENT, CLAY, OR STONE