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经营范围
发明名称
Apparatus and a method suitable for grading pieces of granite by size
摘要
申请公布号
GB2151947(A)
申请公布日期
1985.07.31
申请号
GB19830034409
申请日期
1983.12.23
申请人
BRIAN * CHANG
发明人
BRIAN * CHANG
分类号
B07B1/22;(IPC1-7):B07B1/22;B07B1/42;B07B1/46
主分类号
B07B1/22
代理机构
代理人
主权项
地址
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