Paper waxing apparatus,申请号US19340719243-传众专利搜索

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发明名称	Paper waxing apparatus
摘要
申请公布号	US2073208(A)	申请公布日期	1937.03.09
申请号	US19340719243	申请日期	1934.04.06
申请人	KALAMAZOO VEGETABLE PARCHMENT COMPANY	发明人	HAYWARD RALPH A.
分类号	D21H25/08	主分类号	D21H25/08
代理机构		代理人
主权项
地址

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