Rear-curtain-operator device,申请号US19280306846-传众专利搜索

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发明名称	Rear-curtain-operator device
摘要
申请公布号	US1796974(A)	申请公布日期	1931.03.17
申请号	US19280306846	申请日期	1928.09.19
申请人	MARY WRIGHT	发明人	WRIGHT GEORGE JOSEPH
分类号	B60J1/20	主分类号	B60J1/20
代理机构		代理人
主权项
地址

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