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经营范围
发明名称
PROCEDIMENTO DI ATTACCO DEI MINERALI DI CROMO.
摘要
申请公布号
IT7829179(D0)
申请公布日期
1978.10.27
申请号
IT19780029179
申请日期
1978.10.27
申请人
PPG INDUSTRIES INC.
发明人
分类号
C22B34/32;(IPC1-7):C01G/
主分类号
C22B34/32
代理机构
代理人
主权项
地址
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