Improvements in or relating to headless screws,申请号GB19550017905-传众专利搜索

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发明名称	Improvements in or relating to headless screws
摘要
申请公布号	GB807844(A)	申请公布日期	1959.01.21
申请号	GB19550017905	申请日期	1955.06.21
申请人	SET SCREW & MFG. COMPANY	发明人	BROWN CALVIN O.
分类号	F16B35/00	主分类号	F16B35/00
代理机构		代理人
主权项
地址

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