Door operating mechanism for powder hoists,申请号US19440525964-传众专利搜索

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发明名称	Door operating mechanism for powder hoists
摘要
申请公布号	US2452035(A)	申请公布日期	1948.10.26
申请号	US19440525964	申请日期	1944.03.10
申请人	CHADWICK GEORGE A;GIROUARD PHILIAS H	发明人	CHADWICK GEORGE A.;GIROUARD PHILIAS H.
分类号	F42B39/14	主分类号	F42B39/14
代理机构		代理人
主权项
地址

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