Method of internally masking hollow articles,申请号US19560581070-传众专利搜索

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发明名称	Method of internally masking hollow articles
摘要
申请公布号	US2855326(A)	申请公布日期	1958.10.07
申请号	US19560581070	申请日期	1956.04.27
申请人	SYLVANIA ELECTRIC PRODUCTS INC.	发明人	JAMES KENNETH;STACEY ERNEST F.
分类号	H01K3/00	主分类号	H01K3/00
代理机构		代理人
主权项
地址

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