Phonograph records and molding compositions,申请号US19480035282-传众专利搜索

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发明名称	Phonograph records and molding compositions
摘要
申请公布号	US2616862(A)	申请公布日期	1952.11.04
申请号	US19480035282	申请日期	1948.06.25
申请人	AGRASHELL, INC.	发明人	AYERS JOSEPH W.
分类号	C08L27/06;C08L97/02;G11B3/70	主分类号	C08L27/06
代理机构		代理人
主权项
地址

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