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经营范围
发明名称
Improvements in or relating to grading apparatus
摘要
申请公布号
GB1022906(A)
申请公布日期
1966.03.16
申请号
GB19640004098
申请日期
1964.01.31
申请人
WILFRED CUTLER
发明人
分类号
B07B1/54
主分类号
B07B1/54
代理机构
代理人
主权项
地址
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