EXPANDED SILICATE PARTICLES,申请号USD3450547-传众专利搜索

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发明名称	EXPANDED SILICATE PARTICLES
摘要
申请公布号	US3450547(A)	申请公布日期	1969.06.17
申请号	USD3450547	申请日期	1966.04.05
申请人	PHILADELPHIA QUARTZ CO.	发明人	ROBERT H. SAMS;NEWTON W. MCCREADY
分类号	C04B18/02;C04B28/26;(IPC1-7):C04B35/16	主分类号	C04B18/02
代理机构		代理人
主权项
地址

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