EPSG:4237 — HD72

GEOGCRS[
    "HD72",
    DATUM[
        "Hungarian Datum 1972",
        ELLIPSOID[
            "GRS 1967",
            6378160,
            298.247167427,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7036]
        ],
        ID["EPSG",6237]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",4237]
]

+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs

proj4.defs("EPSG:4237", "+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 4237,
  "name": "HD72",
  "kind": "geographic 2D",
  "area": "Hungary",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    45.74,
    16.11,
    48.58,
    22.9
  ],
  "proj4": "+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4237, 'EPSG', 4237, '+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs', 'GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[52.17,-71.82,-14.9,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]]');

PROJECTION
  "+proj=longlat"
  "+ellps=GRS67"
  "+towgs84=52.17,-71.82,-14.9,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

4237=GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[52.17,-71.82,-14.9,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]]