Patent:CH47278

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Patent:CH 47278
Title:Griffel- und Federhalterschachtel mit Rechenlehrmittel
Date:01.06.1910
Place:Schweiz
Country:Switzerland
Person:Moeschlin, Felix (P)
Company:
Internal Links:Lehrmittel, Kugelrechner
Keywords:
Link to the patent office:
(without guarantee)
 CH47278 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=CH47278)


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