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发明名称
包装袋(磁化肥)
摘要
申请公布号
CN3108628D
申请公布日期
1999.04.28
申请号
CN98325894.5
申请日期
1998.09.23
申请人
李凤杰
发明人
李凤杰
分类号
09-05-B0023
主分类号
09-05-B0023
代理机构
北京科龙环宇专利事务所
代理人
孙皓晨
主权项
地址
163001黑龙江省大庆市开发区保险大厦八层红日集团
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