Improvements in or relating to ribbon feeding and change-over mechanism for use in sttistical or other machines,申请号GB19470015940-传众专利搜索

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发明名称	Improvements in or relating to ribbon feeding and change-over mechanism for use in sttistical or other machines
摘要
申请公布号	GB624229(A)	申请公布日期	1949.05.31
申请号	GB19470015940	申请日期	1947.06.17
申请人	WILLIAM EDWARD JOHNSON	发明人
分类号	B41J33/50;B41J33/516	主分类号	B41J33/50
代理机构		代理人
主权项
地址

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