Manufacture of lead tubes and cable sheaths,申请号US19340721631-传众专利搜索

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发明名称	Manufacture of lead tubes and cable sheaths
摘要
申请公布号	US1978976(A)	申请公布日期	1934.10.30
申请号	US19340721631	申请日期	1934.04.20
申请人	FELTEN & GUILLEAUME CARLSWERK AKTIENGESELLSCHAFT	发明人	ZAPF GEORG
分类号	B21C25/06	主分类号	B21C25/06
代理机构		代理人
主权项
地址

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