OPENING DEVICE ON BAGS AND THE LIKE,申请号CA19690070193-传众专利搜索

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发明名称	OPENING DEVICE ON BAGS AND THE LIKE
摘要
申请公布号	CA926350(A)	申请公布日期	1973.05.15
申请号	CA19690070193	申请日期	1969.12.17
申请人	W R GRACE & CO	发明人	SNOW W;GRIFFITHS W;DREYFUS R;HOLBROOK S;PERDUE R
分类号		主分类号
代理机构		代理人
主权项
地址

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