Welt having a polygonalbead,申请号US19500159886-传众专利搜索

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发明名称	Welt having a polygonalbead
摘要
申请公布号	US2672699(A)	申请公布日期	1954.03.23
申请号	US19500159886	申请日期	1950.05.04
申请人	DUDENHOFEN;GEORGE R. ERICSON	发明人	WALSH JOHN J.;DUDENHOFEN JOHN J.
分类号	A43B15/00	主分类号	A43B15/00
代理机构		代理人
主权项
地址

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