Improvements in or relating to tool carrying chains for use on mining cutters for coal and like minerals,申请号GB19520010033-传众专利搜索

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发明名称	Improvements in or relating to tool carrying chains for use on mining cutters for coal and like minerals
摘要
申请公布号	GB737880(A)	申请公布日期	1955.10.05
申请号	GB19520010033	申请日期	1952.04.21
申请人	SIDNEY ERNEST PROCTOR;AUSTIN HOY AND COMPANY LIMITED	发明人
分类号	E21C25/36	主分类号	E21C25/36
代理机构		代理人
主权项
地址

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