NEMATIC LIQUID CRYSTAL OPTICAL ELEMENTS,申请号USD3597043-传众专利搜索

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发明名称	NEMATIC LIQUID CRYSTAL OPTICAL ELEMENTS
摘要
申请公布号	US3597043(A)	申请公布日期	1971.08.03
申请号	USD3597043	申请日期	1969.05.02
申请人	POLACOAT INC.	发明人	JOHN F. DREYER
分类号	G01H9/00;G02F1/13;G02F1/1333;G02F1/1337;(IPC1-7):G02F1/24	主分类号	G01H9/00
代理机构		代理人
主权项
地址

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