"Klein-féle palack" meaning in Hongrois

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en hongrois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Hongrois",
      "orig": "hongrois",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Hongrois",
  "lang_code": "hu",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en hongrois de la topologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Bouteille de Klein."
      ],
      "id": "fr-Klein-féle_palack-hu-noun-1obROX6M",
      "topics": [
        "topology"
      ]
    }
  ],
  "word": "Klein-féle palack"
}

{
  "categories": [
    "Locutions nominales en hongrois",
    "hongrois"
  ],
  "lang": "Hongrois",
  "lang_code": "hu",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en hongrois de la topologie"
      ],
      "glosses": [
        "Bouteille de Klein."
      ],
      "topics": [
        "topology"
      ]
    }
  ],
  "word": "Klein-féle palack"
}