Category:Telephone switch C51 - CnAM 19052

**Telephone switch C51 - CnAM 19052**
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Instance of	telephone exchange;
Location	Musée des Arts et Métiers, St-Martin-des-Champs Priory, Paris, Grand Paris
Collection	Conservatoire national des Arts et Métiers;
Inventory number	19052-0000- (Conservatoire national des Arts et Métiers);
Inception	c. 1950;
Authority file
	Q113172177;
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Media in category "Telephone switch C51 - CnAM 19052"

The following 2 files are in this category, out of 2 total.