Pass-type elevator door,申请号US19310578791-传众专利搜索

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发明名称	Pass-type elevator door
摘要
申请公布号	US1904010(A)	申请公布日期	1933.04.18
申请号	US19310578791	申请日期	1931.12.03
申请人	THE PEELLE COMPANY	发明人	PEELLE ROBERT S.
分类号	B66B13/06	主分类号	B66B13/06
代理机构		代理人
主权项
地址

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