An improved form of construction for machine parts, and constructional elements, having apertures, drilled holes or the like,申请号GB19350031541-传众专利搜索

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发明名称	An improved form of construction for machine parts, and constructional elements, having apertures, drilled holes or the like
摘要
申请公布号	GB465615(A)	申请公布日期	1937.05.11
申请号	GB19350031541	申请日期	1935.11.14
申请人	FRANZ RINAGL	发明人
分类号	B21D28/24	主分类号	B21D28/24
代理机构		代理人
主权项
地址

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