| Ref. code: | Nd.01-03-07-02 | 
		| Ref. code AP: | Nd.01-03-07-02 | 
		| Creation date(s): | 11/18/1966 | 
		| Title: | Ida Graf, in Herisau, Schneeschmelzanlage, Patentnummer CH447246 | 
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		| URL for this unit of description | 
		| URL: | https://query-staatsarchiv.ar.ch/detail.aspx?ID=360520 | 
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