甲丁

甲丁甲丁
  1. 甲丁醚化氨基树脂固化剂对丙烯酸酯型阴极电泳涂料漆膜性能的影响

    Effect of Methanol and Butanol Etherized Amino Resin Curing Agent on Acrylic Cathodic Electrophoretic Coating