Patent:FR2586837

Brevetto:	FR 2586837
Titolo:	Novel type of Slide Rule of the type comprising a case consisting of two adjoining walls leaving a gap in which at least one slide moves
Data:	06.03.1987
Luogo:
Nazione:	Francia
Persona:	Darne Andre
Ditta:
Link interni:	Rechenschieber
Keywords:
Link al brevetto: (without guarantee)	FR2586837

Aus der Patentschrift FR2586837

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