APPARATUS FOR ASSEMBLING A SECTION OF SELF-ADVANCING ROOF SUPPORTS,申请号PL19850252675-传众专利搜索

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发明名称	APPARATUS FOR ASSEMBLING A SECTION OF SELF-ADVANCING ROOF SUPPORTS
摘要
申请公布号	PL147406(B1)	申请公布日期	1989.05.31
申请号	PL19850252675	申请日期	1985.03.28
申请人		发明人
分类号	B23P;B23P21/00;E21D;E21D23/16;(IPC1-7):E21D23/16	主分类号	B23P
代理机构		代理人
主权项
地址

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