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经营范围
发明名称
Apparatus for preventing the discharging portion from closing of a hopper
摘要
申请公布号
KR100775469(B1)
申请公布日期
2007.11.12
申请号
KR20010060170
申请日期
2001.09.27
申请人
发明人
分类号
B65G65/34
主分类号
B65G65/34
代理机构
代理人
主权项
地址
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