Locking key for closure plugs,申请号US19290334756-传众专利搜索

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发明名称	Locking key for closure plugs
摘要
申请公布号	US1810795(A)	申请公布日期	1931.06.16
申请号	US19290334756	申请日期	1929.01.24
申请人	SODERQUIST ARTHUR R	发明人	SODERQUIST ARTHUR R.
分类号	B25B13/48	主分类号	B25B13/48
代理机构		代理人
主权项
地址

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