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经营范围
发明名称
BLACK ENAMEL STAIN
摘要
申请公布号
PL125006(B1)
申请公布日期
1983.03.31
申请号
PL19790219850
申请日期
1979.11.22
申请人
发明人
分类号
C03C;C23D5/00;(IPC1-7):C03C7/00
主分类号
C03C
代理机构
代理人
主权项
地址
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