_:n5a2980d168244adaaa335b7d8b73ff5dxb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Product>
<https://vintageadsandbooks.com/chas-martin-and-company-vintage-1959-gas-oil-inspectors-petroleum-ad-l011.html>