RIGID FEED GEAR WITH VERTICAL DRIVING WHEEL,申请号PL19850254231-传众专利搜索

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发明名称	RIGID FEED GEAR WITH VERTICAL DRIVING WHEEL
摘要
申请公布号	PL142092(B1)	申请公布日期	1987.09.30
申请号	PL19850254231	申请日期	1985.06.28
申请人		发明人
分类号	E21C;E21C29/22;(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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