bonanza 138 vip - lode 77
$800.00
A kind of synthetic method of EX-SF DISPERSE BLUE EX-SF 300 77. rio 77 slot Technical field The present invention relates to the synthesis technique of the higher blue dyes of a kind of firmness, specifically, is the synthetic method disclosing a kind of EX-SF DISPERSE BLUE EX-SF 300 77 Background technology