Improvements in cutters and cutter-boxes or holders for the chains of coal-cutting machines,申请号GB19320027266-传众专利搜索

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发明名称	Improvements in cutters and cutter-boxes or holders for the chains of coal-cutting machines
摘要
申请公布号	GB409699(A)	申请公布日期	1934.05.01
申请号	GB19320027266	申请日期	1932.10.01
申请人	JOSEPH BARLOW ASPINALL;HARRY LOMAX	发明人
分类号	E21C35/18	主分类号	E21C35/18
代理机构		代理人
主权项
地址

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