Приспособление для укрепления штанги врубовой машины,申请号SU19310094514-传众专利搜索

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发明名称	Приспособление для укрепления штанги врубовой машины
摘要
申请公布号	SU33110(A1)	申请公布日期	1933.11.30
申请号	SU19310094514	申请日期	1931.09.15
申请人	MATYUSHENKO E.I.	发明人	MATYUSHENKO E.I.
分类号	E21C25/08	主分类号	E21C25/08
代理机构		代理人
主权项
地址

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