Приспособление для крепления стенок выемки при устройстве дренажных прорезей,申请号SU19560557893-传众专利搜索

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发明名称	Приспособление для крепления стенок выемки при устройстве дренажных прорезей
摘要
申请公布号	SU107218(A1)	申请公布日期	1956.11.30
申请号	SU19560557893	申请日期	1956.09.20
申请人	NIZOVKIN G.A.	发明人	NIZOVKIN G.A.
分类号	E01F5/00;E02D17/08	主分类号	E01F5/00
代理机构		代理人
主权项
地址

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