REINFORCED CONCRETE PLATFORM SLAB FOR STEEL BRIDGES OF TWO-LEVEL CONSTRUCTION STAL'NYKH MOSTAKH S EZDOJJ PO NIZU,申请号PL19790218105-传众专利搜索

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发明名称	REINFORCED CONCRETE PLATFORM SLAB FOR STEEL BRIDGES OF TWO-LEVEL CONSTRUCTION STAL'NYKH MOSTAKH S EZDOJJ PO NIZU
摘要
申请公布号	PL118785(B2)	申请公布日期	1981.10.31
申请号	PL19790218105	申请日期	1979.09.01
申请人		发明人
分类号	E01D;E01D19/12;(IPC1-7):E01D19/12	主分类号	E01D
代理机构		代理人
主权项
地址

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