Apparatus for the manufacture of deeply-webbed girders,申请号US19590790173-传众专利搜索

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发明名称	Apparatus for the manufacture of deeply-webbed girders
摘要
申请公布号	US3066394(A)	申请公布日期	1962.12.04
申请号	US19590790173	申请日期	1959.01.30
申请人	FRANZ LITZKA	发明人	LITZKA FRANZ
分类号	B21D47/04;E04C3/04;E04C3/08	主分类号	B21D47/04
代理机构		代理人
主权项
地址

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