Art of paper and board manufacture,申请号US19310507296-传众专利搜索

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发明名称	Art of paper and board manufacture
摘要
申请公布号	US1979864(A)	申请公布日期	1934.11.06
申请号	US19310507296	申请日期	1931.01.07
申请人	THE PACIFIC LUMBER COMPANY	发明人	CARSON FRANCIS L.
分类号	D21J1/08	主分类号	D21J1/08
代理机构		代理人
主权项
地址

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