Hans Gschwend

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Mauren, LI

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Patents Grantslast 30 patents

Information Patent Grant
Expansion dowel assembly
- Patent number 4,840,527
- Issue date Jun 20, 1989
- Hilti Aktiengesellschaft
- Hans Gschwend
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...