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经营范围
发明名称
PURIFYING PROCESS
摘要
申请公布号
GB8521744(D0)
申请公布日期
1985.10.09
申请号
GB19850021744
申请日期
1985.09.02
申请人
KOKUSAI DENSHIN DENWA CO LTD
发明人
分类号
C03C1/02;C01G1/06;C01G27/04;C03C3/32;C03C13/04;(IPC1-7):C03B5/193
主分类号
C03C1/02
代理机构
代理人
主权项
地址
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