VOID FORMER FOR PRODUCING MOUNTING HOLES IN FERROCONCRETE SLEEPERS,申请号SU19864148627-传众专利搜索

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发明名称	VOID FORMER FOR PRODUCING MOUNTING HOLES IN FERROCONCRETE SLEEPERS
摘要
申请公布号	SU1375461(A1)	申请公布日期	1988.02.23
申请号	SU19864148627	申请日期	1986.07.09
申请人	V N-PROIZV OB "SOYUZZHELEZOBETON"	发明人	YAROSH IVAN A,SU;TOMKO SERGEJ V,SU;KLIMACHKOV EVGENIJ A,SU
分类号	B28B7/30	主分类号	B28B7/30
代理机构		代理人
主权项
地址

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