Hat retainer means,申请号US19480025657-传众专利搜索

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法人/股东/高管

发明名称	Hat retainer means
摘要
申请公布号	US2615452(A)	申请公布日期	1952.10.28
申请号	US19480025657	申请日期	1948.05.07
申请人	BIRCH HERBERT M	发明人	BIRCH HERBERT M.
分类号	A42B7/00	主分类号	A42B7/00
代理机构		代理人
主权项
地址

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