Low lift method and apparatus,申请号US19560590050-传众专利搜索

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发明名称	Low lift method and apparatus
摘要
申请公布号	US2931306(A)	申请公布日期	1960.04.05
申请号	US19560590050	申请日期	1956.06.07
申请人	HANNAH JANE HAPMAN	发明人	HAPMAN HENRY W.
分类号	F04B19/14	主分类号	F04B19/14
代理机构		代理人
主权项
地址

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