hs6.md

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    return Array.from(e.querySelectorAll('td')).map((e) => {
        return e.textContent
    })
}).filter((e, idx) => {
    return e.length === 4
}).filter((e) => {
    return e[1].length === 7 && e[2] === ""
}).map((e) => {
    return {hs6: e[1], desc: e[3].trim()}
})

[
  {
    "hs2": "0101.21",
    "desc": "純粋種の繁殖用のもの"
  },
  {
    "hs2": "0101.29",
    "desc": "その他のもの"
  },
  {
    "hs2": "0101.30",
    "desc": "ろ馬"
  },
  {
    "hs2": "0101.90",
    "desc": "その他のもの"
  },
  {
    "hs2": "0102.21",
    "desc": "純粋種の繁殖用のもの"
  },
  {
    "hs2": "0102.29",
    "desc": "その他のもの"
  },
  {
    "hs2": "0102.31",
    "desc": "純粋種の繁殖用のもの"
  },
  {
    "hs2": "0102.39",
    "desc": "その他のもの"
  },
  {
    "hs2": "0102.90",
    "desc": "その他のもの"
  },
  {
    "hs2": "0103.10",
    "desc": "純粋種の繁殖用のもの"
  },
  {
    "hs2": "0103.91",
    "desc": "1頭の重量が50キログラム未満のもの"
  },
  {
    "hs2": "0103.92",
    "desc": "1頭の重量が50キログラム以上のもの"
  },
  {
    "hs2": "0104.10",
    "desc": "羊"
  },
  {
    "hs2": "0104.20",
    "desc": "やぎ"
  },
  {
    "hs2": "0105.11",
    "desc": "鶏（ガルルス・ドメスティクス）"
  },
  {
    "hs2": "0105.12",
    "desc": "七面鳥"
  },
  {
    "hs2": "0105.13",
    "desc": "あひる"
  },
  {
    "hs2": "0105.14",
    "desc": "がちよう"
  },
  {
    "hs2": "0105.15",
    "desc": "ほろほろ鳥"
  },
  {
    "hs2": "0105.94",
    "desc": "鶏（ガルルス・ドメスティクス）"
  },
  {
    "hs2": "0105.99",
    "desc": "その他のもの"
  },
  {
    "hs2": "0106.11",
    "desc": "霊長類"
  },
  {
    "hs2": "0106.12",
    "desc": "くじら目、海牛目及び鰭脚下目"
  },
  {
    "hs2": "0106.13",
    "desc": "らくだ科"
  },
  {
    "hs2": "0106.14",
    "desc": "うさぎ"
  },
  {
    "hs2": "0106.19",
    "desc": "その他のもの"
  },
  {
    "hs2": "0106.20",
    "desc": "爬虫類"
  },
  {
    "hs2": "0106.31",
    "desc": "猛きん類"
  },
  {
    "hs2": "0106.32",
    "desc": "おうむ目"
  },
  {
    "hs2": "0106.33",
    "desc": "エミュー（ドロマイウス・ノヴァイホルランディアイ）及びだちよう"
  },
  {
    "hs2": "0106.39",
    "desc": "その他のもの"
  },
  {
    "hs2": "0106.41",
    "desc": "蜂"
  },
  {
    "hs2": "0106.49",
    "desc": "その他のもの"
  },
  {
    "hs2": "0106.90",
    "desc": "その他のもの"
  }
]