Catalogue description Experimental gas valves made of synthetic materials: weathering tests

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Details of AVIA 20/1
Reference: AVIA 20/1
Description:

Experimental gas valves made of synthetic materials: weathering tests

Date: 1936
Held by: The National Archives, Kew
Former reference in its original department: KB/R/84/M(a)
Legal status: Public Record(s)
Closure status: Open Document, Open Description

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