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编码信封(庚型点墨)
摘要
申请公布号
CN3081623D
申请公布日期
1998.07.22
申请号
CN97303445.9
申请日期
1997.04.12
申请人
阎道原
发明人
阎道原
分类号
19-01-E0084
主分类号
19-01-E0084
代理机构
代理人
主权项
地址
454650河南省济源市宣化六巷2-2-6
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