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发明名称
摘要
申请公布号	US1875440(A)	申请公布日期	1932.09.06
申请号	USD1875440	申请日期
申请人		发明人
分类号	F04F1/12	主分类号	F04F1/12
代理机构		代理人
主权项
地址

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