Improvements in or relating to ruling machines,申请号GB19490009747-传众专利搜索

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发明名称	Improvements in or relating to ruling machines
摘要
申请公布号	GB664543(A)	申请公布日期	1952.01.09
申请号	GB19490009747	申请日期	1949.04.11
申请人	AJOY KUMAR GHOSH	发明人
分类号	B41G3/00	主分类号	B41G3/00
代理机构		代理人
主权项
地址

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