Cyclic process of fiber liberation,申请号US19230661240-传众专利搜索

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发明名称	Cyclic process of fiber liberation
摘要
申请公布号	US1833975(A)	申请公布日期	1931.12.01
申请号	US19230661240	申请日期	1923.09.06
申请人	BROWN COMPANY	发明人	RICHTER GEORGE A.
分类号	D21C3/06;D21C11/02	主分类号	D21C3/06
代理机构		代理人
主权项
地址

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