Improvements in apparatus for use in the removal of broken down coal from the coal-face in mines,申请号GB19300002847-传众专利搜索

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发明名称	Improvements in apparatus for use in the removal of broken down coal from the coal-face in mines
摘要
申请公布号	GB351929(A)	申请公布日期	1931.06.29
申请号	GB19300002847	申请日期	1930.01.28
申请人	ROBERT MORRIS LIMITED;JOSEPH MORRIS	发明人
分类号	B65G21/20	主分类号	B65G21/20
代理机构		代理人
主权项
地址

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