Spirometer,申请号US19540456168-传众专利搜索

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发明名称	Spirometer
摘要
申请公布号	US2742897(A)	申请公布日期	1956.04.24
申请号	US19540456168	申请日期	1954.09.15
申请人	LESLIE SILVERMAN	发明人	SILVERMAN LESLIE
分类号	A61B5/097	主分类号	A61B5/097
代理机构		代理人
主权项
地址

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