Improvements in paper sheets having filing perforations therein,申请号GB19650000733-传众专利搜索

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发明名称	Improvements in paper sheets having filing perforations therein
摘要
申请公布号	GB1086451(A)	申请公布日期	1967.10.11
申请号	GB19650000733	申请日期	1965.01.07
申请人	CHARLES JOHN BROADHURST	发明人
分类号	B42F3/00	主分类号	B42F3/00
代理机构		代理人
主权项
地址

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