METHOD OF MAKING A RING OF A LENGTH OF THERMO-PLASTIC MATERIAL,申请号CAD538589-传众专利搜索

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发明名称	METHOD OF MAKING A RING OF A LENGTH OF THERMO-PLASTIC MATERIAL
摘要
申请公布号	CA538589(A)	申请公布日期	1957.03.26
申请号	CAD538589	申请日期
申请人	RICHARD E. YOUNG	发明人	RICHARD E. YOUNG
分类号		主分类号
代理机构		代理人
主权项
地址

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