VIDEO DOORPHONE WITH DISPLAY EXPANDING FUNCTION,申请号JP19920301091-传众专利搜索

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发明名称	VIDEO DOORPHONE WITH DISPLAY EXPANDING FUNCTION
摘要
申请公布号	JPH0630416(A)	申请公布日期	1994.02.04
申请号	JP19920301091	申请日期	1992.11.11
申请人	SHARP CORP	发明人	TAKII HISAYOSHI;YUGAWA SHOGO
分类号	H04N7/18;(IPC1-7):H04N7/18	主分类号	H04N7/18
代理机构		代理人
主权项
地址

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