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经营范围
发明名称
幽陵砚
摘要
申请公布号
CN3009417S
申请公布日期
1991.05.08
申请号
CN90302886.7
申请日期
1990.09.06
申请人
北京西城东方艺术工艺厂
发明人
孙宗林
分类号
19-06-I0062
主分类号
19-06-I0062
代理机构
代理人
主权项
地址
100031北京市西城区宣武门西大街109号
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