RATCHET LINK IN PARTICULAR FOR MINING MACHINES,申请号PL19800224420-传众专利搜索

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发明名称	RATCHET LINK IN PARTICULAR FOR MINING MACHINES
摘要
申请公布号	PL124336(B2)	申请公布日期	1983.01.31
申请号	PL19800224420	申请日期	1980.05.21
申请人		发明人
分类号	E21C;E21C29/22;F16G;F16G15/10;(IPC1-7):E21C29/22	主分类号	E21C
代理机构		代理人
主权项
地址

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