Improvements in or connected with cutter-chains and cutters of machines for use in mining coal and other minerals,申请号GB19300037853-传众专利搜索

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发明名称	Improvements in or connected with cutter-chains and cutters of machines for use in mining coal and other minerals
摘要
申请公布号	GB367087(A)	申请公布日期	1932.02.18
申请号	GB19300037853	申请日期	1930.12.16
申请人	MAVOR AND COULSON, LIMITED;JOHN BRIDIE MAVOR;JOHN CONNEL SPROUL	发明人
分类号	E21C35/193	主分类号	E21C35/193
代理机构		代理人
主权项
地址

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