美国海关
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3102 1000.10 Solid urea [复制]

3102 1000.30 Diesel exhaust fluid (DEF) of a kind meeting ISO 22241 [复制]

3102 1000.50 Other [复制]

3102 2100.00 Ammonium sulfate [复制]

3102 2900.00 Other [复制]

3102 3000.00 Ammonium nitrate, whether or not in aqueous solution [复制]

3102 4000.00 Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances [复制]

3102 5000.00 Sodium nitrate [复制]

3102 6000.00 Double salts and mixtures of calcium nitrate and ammonium nitrate [复制]

3102 8000.00 Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution [复制]

3102 9001.00 Other, including mixtures not specified in the foregoing subheadings [复制]