Erich Lippert

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Wessling, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of pretensioned carriageway slabs
- Patent number 4,125,580
- Issue date Nov 14, 1978
- Dyckerhoff & Widmann Aktiengesellschaft
- Erich Lippert
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES