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经营范围
发明名称
Improvements in or relating to apparatus for cleaning coal
摘要
申请公布号
GB774367(A)
申请公布日期
1957.05.08
申请号
GB19550034519
申请日期
1955.12.02
申请人
SHEPPARD, WELDEN & COMPANY LIMITED;WILLIAM HENRY BERRISFORD
发明人
分类号
B07B13/00
主分类号
B07B13/00
代理机构
代理人
主权项
地址
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