Improvements in the manufacture of artificial leather,申请号GB19300004893-传众专利搜索

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发明名称	Improvements in the manufacture of artificial leather
摘要
申请公布号	GB342908(A)	申请公布日期	1931.02.12
申请号	GB19300004893	申请日期	1930.02.13
申请人	ANNA ENGEL	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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