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calibrated absolutely by\n: GEO++ - ROBOT 2010-09-03\n: UNI BONN - CHAMBER 2010-10-28\n: UNI BONN - CHAMBER 2019-05-20\n: Senatsverwaltung Berlin - ROBOT 2019-06-17", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "operator.gref@bkg.bund.de", "name": "GREF Operator", "phone": "+49 341 5634410", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "operator.gref@bkg.bund.de", "name": "GREF Operator", "phone": "+49 341 5634410", "role": "metadata_custodian", "title": "" }, "date_from": "2024-10-23 08:50:00", "date_to": "2025-03-11 08:00:00", "item_attributes": [ { "attribute": { "name": 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individual calibrated absolutely by\n: GEO++ - ROBOT 2010-09-03\n: UNI BONN - CHAMBER 2010-10-28\n: UNI BONN - CHAMBER 2019-05-20\n: Senatsverwaltung Berlin - ROBOT 2019-06-17", "contact_as_owner": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "operator.gref@bkg.bund.de", "name": "GREF Operator", "phone": "+49 341 5634410", "role": "site_owner", "title": "" }, "contact_as_producer": { "agency": { "abbreviation": "BKG", "address": "Richard-Strauss-Allee 11\nD-60598 Frankfurt a.M.\nGermany", "infos": "", "name": "Bundesamt fuer Kartographie und Geodaesie", "www": "" }, "comment": "", "email": "operator.gref@bkg.bund.de", "name": "GREF Operator", "phone": "+49 341 5634410", "role": "metadata_custodian", "title": "" }, "date_from": "2025-03-18 14:30:00", "date_to": null, "item_attributes": [ { "attribute": { "name": 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