Improvements in or relating to Chains,申请号GB19660012138-传众专利搜索

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发明名称	Improvements in or relating to Chains
摘要
申请公布号	GB1182600(A)	申请公布日期	1970.02.25
申请号	GB19660012138	申请日期	1966.03.18
申请人	AUSTIN HOY AND COMPANY LIMITED	发明人	SIDNEY ERNEST PROCTOR
分类号	E21C25/36;F16G13/06	主分类号	E21C25/36
代理机构		代理人
主权项
地址

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