An improved screw-threaded metal wall plug,申请号GB19330006772-传众专利搜索

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发明名称	An improved screw-threaded metal wall plug
摘要
申请公布号	GB417651(A)	申请公布日期	1934.10.08
申请号	GB19330006772	申请日期	1933.03.06
申请人	JOHN JOSEPH RAWLINGS;THE RAWLPLUG COMPANY LIMITED	发明人
分类号	F16B13/12	主分类号	F16B13/12
代理机构		代理人
主权项
地址

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