Способ подъёмки пролетных строений мостов,申请号SU19390301521D-传众专利搜索

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发明名称	Способ подъёмки пролетных строений мостов
摘要
申请公布号	SU62596(A1)	申请公布日期	1942.11.30
申请号	SU19390301521D	申请日期	1939.10.21
申请人	BROVKIN A.A.	发明人	BROVKIN A.A.
分类号	E01D21/06	主分类号	E01D21/06
代理机构		代理人
主权项
地址

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