沟内有角度之一字形螺丝及有角度之起子,申请号TW06321066-传众专利搜索

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发明名称	沟内有角度之一字形螺丝及有角度之起子
摘要
申请公布号	TW017441	申请公布日期	1974.11.01
申请号	TW06321066	申请日期	1974.04.04
申请人	苏友仁	发明人	苏友仁
分类号	B25B13/10	主分类号	B25B13/10
代理机构		代理人
主权项	沟内由中心向两边扩大角度之一字螺丝和相配合之起子末端同样角度之构造。
地址	台南巿赤嵌街19号

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