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发明名称
摘要
申请公布号	BE680538(A)	申请公布日期	1966.10.17
申请号	BED680538	申请日期	1966.05.04
申请人		发明人
分类号	D21H19/20;D21H19/22;G03C1/79;G03C1/91	主分类号	D21H19/20
代理机构		代理人
主权项
地址

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