Improvements relating to cutter chains for coal-cutting machines,申请号GB19350025324-传众专利搜索

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发明名称	Improvements relating to cutter chains for coal-cutting machines
摘要
申请公布号	GB460381(A)	申请公布日期	1937.01.27
申请号	GB19350025324	申请日期	1935.09.12
申请人	ANDERSON, BOYES AND COMPANY LIMITED;ALEXANDER ANDERSON	发明人
分类号	E21C25/34	主分类号	E21C25/34
代理机构		代理人
主权项
地址

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