All-purpose gas mask lets wearer talk
Item
Title (Dublin Core)
All-purpose gas mask lets wearer talk
Subject (Dublin Core)
en
Technology
Article Title and/or Image Caption (Dublin Core)
All-purpose gas mask lets wearer talk
Language (Dublin Core)
eng
Date Issued (Dublin Core)
1923-07
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
98
Rights (Dublin Core)
public domain
Source (Dublin Core)
Archived by (Dublin Core)
Marco Bortolami
Marco Bortolami (editor)