Coiled wire coupling,申请号US19380238188-传众专利搜索

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发明名称	Coiled wire coupling
摘要
申请公布号	US2234504(A)	申请公布日期	1941.03.11
申请号	US19380238188	申请日期	1938.11.01
申请人	PITTSBURGH PIPE CLEANER COMPANY	发明人	ROBINSON KYLE I.;ROBINSON LAWRENCE R.
分类号	B08B9/04;F16G11/00	主分类号	B08B9/04
代理机构		代理人
主权项
地址

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