Method of making playing balls,申请号US19390255446-传众专利搜索

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法人/股东/高管

发明名称	Method of making playing balls
摘要
申请公布号	US2242455(A)	申请公布日期	1941.05.20
申请号	US19390255446	申请日期	1939.02.09
申请人	DE BEER FREDERICK S	发明人	BEER FREDERICK S. DE
分类号	B29C63/00;B29D22/04	主分类号	B29C63/00
代理机构		代理人
主权项
地址

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