Pierre Frappe

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Lyon, FR

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Patents Grantslast 30 patents

Information Patent Grant
Punching machine for cards or paper bands to be used for the contro...
- Patent number 3,944,134
- Issue date Mar 16, 1976
- Verdol S.A.
- Pierre Frappe
- D03 - WEAVING
Information Patent Grant
Method and apparatus for the photo-electrical reading-in weaving de...
- Patent number 3,943,422
- Issue date Mar 9, 1976
- Verdol S.A.
- Pierre Frappe
- D03 - WEAVING