EVACUATION OF VACUUM AND GAS FILLED ENVELOPES,申请号CAD660799-传众专利搜索

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发明名称	EVACUATION OF VACUUM AND GAS FILLED ENVELOPES
摘要
申请公布号	CA660799(A)	申请公布日期	1963.04.09
申请号	CAD660799	申请日期
申请人	JOHN H. O. HARRIES	发明人	JOHN H. O. HARRIES
分类号		主分类号
代理机构		代理人
主权项
地址

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