ROLLING MILL ROLL CHANGING,申请号USD3541830-传众专利搜索

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发明名称	ROLLING MILL ROLL CHANGING
摘要
申请公布号	US3541830(A)	申请公布日期	1970.11.24
申请号	USD3541830	申请日期	1968.05.17
申请人	SIEGENER MASCHINENBAU GMBH.	发明人	HEINRICH BOHNENKAMP;OTTO MODDER
分类号	B21B31/10;(IPC1-7):B21B31/10	主分类号	B21B31/10
代理机构		代理人
主权项
地址

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