Improvements in or relating to pneumatic rock or coal drills,申请号GB19560035544-传众专利搜索

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发明名称	Improvements in or relating to pneumatic rock or coal drills
摘要
申请公布号	GB794955(A)	申请公布日期	1958.05.14
申请号	GB19560035544	申请日期	1956.11.21
申请人	THE CONSOLIDATED PNEUMATIC TOOL COMPANY LIMITED	发明人	RITCHIE WILLIAM;STEPHEN CHARLES GORDON
分类号	E21B21/01	主分类号	E21B21/01
代理机构		代理人
主权项
地址

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