Verfahren zur Herstellung ringförmiger Metallgegenstände.,申请号CHD249428-传众专利搜索

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发明名称	Verfahren zur Herstellung ringförmiger Metallgegenstände.
摘要
申请公布号	CH249428(A)	申请公布日期	1947.06.30
申请号	CHD249428	申请日期	1945.03.21
申请人	H. A. BRASSERT & COMPANY LIMITED	发明人	H. A. BRASSERT & COMPANY LIMITED
分类号	B21H1/12	主分类号	B21H1/12
代理机构		代理人
主权项
地址

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