AUTOMATIC MASKING DEVICE INCLUDING AN APERTURE EXTENSION MEANS,申请号GB19800007624-传众专利搜索

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发明名称	AUTOMATIC MASKING DEVICE INCLUDING AN APERTURE EXTENSION MEANS
摘要
申请公布号	GB2047915(A)	申请公布日期	1980.12.03
申请号	GB19800007624	申请日期	1980.03.06
申请人	DAINIPPON SCREEN SEIZO KK	发明人
分类号	G03B27/58;G03F1/90;(IPC1-7):G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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