ROOF SUPPORT SIDE SHIELD,申请号PL19860261167-传众专利搜索

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发明名称	ROOF SUPPORT SIDE SHIELD
摘要
申请公布号	PL151931(B1)	申请公布日期	1990.10.31
申请号	PL19860261167	申请日期	1986.08.23
申请人		发明人
分类号	E21D;E21D23/03;(IPC1-7):E21D23/03	主分类号	E21D
代理机构		代理人
主权项
地址

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