Face mask and button type pad,申请号US19360085860-传众专利搜索

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法人/股东/高管

发明名称	Face mask and button type pad
摘要
申请公布号	US2100553(A)	申请公布日期	1937.11.30
申请号	US19360085860	申请日期	1936.06.18
申请人	SCHUTT WILLIAM A	发明人	SCHUTT WILLIAM A.
分类号	A63B71/10	主分类号	A63B71/10
代理机构		代理人
主权项
地址

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