Process of surfacing board and article therefor,申请号US19280284222-传众专利搜索

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发明名称	Process of surfacing board and article therefor
摘要
申请公布号	US1892873(A)	申请公布日期	1933.01.03
申请号	US19280284222	申请日期	1928.06.09
申请人	DARRAH WILLIAM A	发明人	DARRAH WILLIAM A.
分类号	D21J1/16	主分类号	D21J1/16
代理机构		代理人
主权项
地址

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