{"title": "Increase in the duty on pressure reducing and relief valves, of metal, for use with piping with an inside diameter not exceeding 25,4 mm, of a kind commonly ... - Board of Trade and Industries ; no. 1490)", "created": {"type": "/type/datetime", "value": "2009-12-09T05:13:51.025904"}, "last_modified": {"type": "/type/datetime", "value": "2009-12-09T05:13:51.025904"}, "latest_revision": 1, "key": "/works/OL833558W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL71294A"}}], "type": {"key": "/type/work"}, "revision": 1}