Walking aids manipulated by one arm - Requirements and test methods - Part 1: Elbow crutches (ISO 11334-1:1994); German version EN ISO 11334-1:1997
German title
Gehhilfen für einarmige Handhabung - Anforderungen und Prüfverfahren - Teil 1: Unterarmgehstützen (ISO 11334-1:1994); Deutsche Fassung EN ISO 11334-1:1997
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