{"type": {"key": "/type/work"}, "title": "Plastic ratchet of bellows", "subjects": ["Bellows (Mechanical engineering)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2782719A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4729728A"}}], "key": "/works/OL45475855W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-05-18T02:49:21.687693"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-18T02:49:21.687693"}}