METHOD OF SECURING STEPS,申请号SU19731957882-传众专利搜索

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发明名称	METHOD OF SECURING STEPS
摘要
申请公布号	SU620602(A1)	申请公布日期	1978.08.25
申请号	SU19731957882	申请日期	1973.03.09
申请人	SREDNEAZIATSKIJ NI PI TSVETNOJ METALLURGII	发明人	MOROZOV VIKTOR D,SU;SON TROFIM V,SU;KAYUMOV ZABIKHULLA G,SU;POKLONSKIJ ARNOLD P,SU
分类号	(IPC1-7):E21C41/02	主分类号	(IPC1-7):E21C41/02
代理机构		代理人
主权项
地址

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