铁岭富兴铜业 c19700价格c19700成分c19700性能 C19700铜合金C19700价格C19700规格C19700铜合金C19700 C19700库存铜材 C19700厂家C19700成分 铜合金C19700-C19700C19700铜合金 C19700铜带 C19700铜合金 C19700铜板 C19700C19700铜合金//C19700铜合金价格//C19700铜合金成分//C19700铜合金 C19700铜带 C19700铜合金 C19700铜板 C19700铜合金圆棒C19700铜合金//C19700铜合金价格//C19700铜合金成分//C19700铜合金圆棒 高铜合金 C19150 C19160 C97 C98 C18700 C19400 C19700 C14500 C19025 C16200 C19100 CuMg0.1 美标铜合金 黄铜 C31400 C31600 C36000 C67300 青铜 C65100 C65500 C66100 C64200 C54400 C52100 C51900 C46400 C51000 C19400 C19700 青铜 硅青铜 QSi3-1 QSi1-3 QSi1.5-0.3 锡青铜 QSn6.5-0.1 QSn6.5-0.4 QSn5-5-5 QSn5-5-2 QSn7-0.2 QSn4-3 QSn4-0.3 QSn8-0.3 QSn5-0.2 QSn4-4-2.5 QSn4-4-4 铝青铜 QAl5 QAl6 QAl7 QAl9-2 QAl9-4 铁铜/铅铜 TFe2.5 TPb1 TCd1 白铜 C70250 C70350 C70400 C70600 C72500 C72700 黄铜 普通黄铜 H96 H95 H90 H85 H80 H70 H68 H65 H62 H59 复杂黄铜 C67300(HB-71) CW713(UH-12) HMn58-2 HSi80-3 HSi75-3 CuZn21Si3P HSn62-1 HPb89-2 紫铜 T2 C11000 C10200