NGO 1948 (Oslo) - EPSG:4817

WKT

GEOGCS["GCS_NGO_1948_Oslo", 
	DATUM["D_NGO_1948", 
		SPHEROID["Bessel_Modified", 6377492.018, 299.1528128]], 
	PRIMEM["Oslo", 10.72291666666667], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_NGO_1948_Oslo", 
	DATUM["D_NGO_1948", 
		ELLIPSOID["Bessel_Modified", 6377492.018, 299.1528128]], 
	PRIMEM["Oslo", 10.72291666666667, 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4817"]]

Data from @esri/proj-codes

{
  "wkid": 4817,
  "latestWkid": 4817,
  "macro": "PE_GCS_NGO_1948_OSLO",
  "name": "GCS_NGO_1948_Oslo",
  "wkt": "GEOGCS[\"GCS_NGO_1948_Oslo\",DATUM[\"D_NGO_1948\",SPHEROID[\"Bessel_Modified\",6377492.018,299.1528128]],PRIMEM[\"Oslo\",10.72291666666667],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_NGO_1948_Oslo\",DATUM[\"D_NGO_1948\",ELLIPSOID[\"Bessel_Modified\",6377492.018,299.1528128]],PRIMEM[\"Oslo\",10.72291666666667,ANGLEUNIT[\"Degree\",0.0174532925199433]],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4817\"]]",
  "description": "NGO 1948 (Oslo)",
  "authority": "EPSG",
  "version": "4.5(8.1.0)",
  "deprecated": "no",
  "areaname": "Norway - onshore",
  "extent": {
    "slat": 57.9,
    "nlat": 71.24,
    "llon": 4.39,
    "rlon": 31.32
  }
}