Paper making machine,申请号US19280313794-传众专利搜索

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发明名称	Paper making machine
摘要
申请公布号	US1827177(A)	申请公布日期	1931.10.13
申请号	US19280313794	申请日期	1928.10.20
申请人	THOMSON WILLIAM R	发明人	THOMSON WILLIAM R.
分类号	D21F1/52	主分类号	D21F1/52
代理机构		代理人
主权项
地址

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