Record duplicate,申请号US19450627205-传众专利搜索

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发明名称	Record duplicate
摘要
申请公布号	US2557255(A)	申请公布日期	1951.06.19
申请号	US19450627205	申请日期	1945.11.07
申请人	BROWN PERCIVAL W	发明人	BROWN PERCIVAL W.
分类号	B41L1/00	主分类号	B41L1/00
代理机构		代理人
主权项
地址

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