Method and apparatus for fabricating cellular load bearing planks involving impact extrusion of cylindrical cellular slabs,申请号US19650496934-传众专利搜索

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发明名称	Method and apparatus for fabricating cellular load bearing planks involving impact extrusion of cylindrical cellular slabs
摘要
申请公布号	US3388580(A)	申请公布日期	1968.06.18
申请号	US19650496934	申请日期	1965.10.18
申请人	HARVEY ALUMINUM	发明人	HILTON RALPH W.
分类号	B21C23/03;B21C23/20	主分类号	B21C23/03
代理机构		代理人
主权项
地址

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