Support for clearer rolls,申请号US19310519978-传众专利搜索

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发明名称	Support for clearer rolls
摘要
申请公布号	US1904344(A)	申请公布日期	1933.04.18
申请号	US19310519978	申请日期	1931.03.04
申请人	ANDREWS JAMES A	发明人	ANDREWS JAMES A.
分类号	D01H5/64	主分类号	D01H5/64
代理机构		代理人
主权项
地址

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