Steam developing device for flatirons,申请号US19330692045-传众专利搜索

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发明名称	Steam developing device for flatirons
摘要
申请公布号	US1963858(A)	申请公布日期	1934.06.19
申请号	US19330692045	申请日期	1933.10.03
申请人	OIVIND MEIDELL BIRGER	发明人	MEIDELL BIRGER OIVIND
分类号	D06F75/32;G03B33/00	主分类号	D06F75/32
代理机构		代理人
主权项
地址

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