C10800含银无氧铜 C11000 电解无氧铜C11020电解无氧铜 C11030含银无氧铜 C11100含银无氧铜 C11300含银无氧铜 C11400含银无氧铜 C11500含银无氧铜 C11600含银无氧铜 C11700含银无氧铜 C12000低磷脱氧铜 C12100磷脱氧铜 C12200磷脱氧铜 C12300磷脱氧铜C12500磷脱氧铜 C12700含银的火法精炼韧铜 C14200磷脱氧铜 C14500 磷脱氧铜C14700含硫铜 C14510含硫铜 C14710含硫铜 C14720含硫铜 C17000铍铜 C17200铍铜 C17300铍铜 C17500 铍铜