Using the syntan to pretan vegetable-tanned sole leather ,the quantity of tannin extract can be reduced in vegetable tanning.
成鞣剂用于植鞣底革的预鞣,可减少植鞣时栲胶的用
。
成鞣剂；成质Using the syntan to pretan vegetable-tanned sole leather ,the quantity of tannin extract can be reduced in vegetable tanning.
成鞣剂用于植鞣底革的预鞣,可减少植鞣时栲胶的用。
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