Clasper mechanical shoelace,申请号US19390265123-传众专利搜索

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发明名称	Clasper mechanical shoelace
摘要
申请公布号	US2175901(A)	申请公布日期	1939.10.10
申请号	US19390265123	申请日期	1939.03.31
申请人	PETER KONOVALOFF	发明人	KONOVALOFF PETER
分类号	A43C11/18	主分类号	A43C11/18
代理机构		代理人
主权项
地址

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