APPARATUS FOR OPENING AND CLOSING UPPER AND LOWER DOORS OF ELEVATOR,申请号JP19750129268-传众专利搜索

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发明名称	APPARATUS FOR OPENING AND CLOSING UPPER AND LOWER DOORS OF ELEVATOR
摘要
申请公布号	JPS5255146(A)	申请公布日期	1977.05.06
申请号	JP19750129268	申请日期	1975.10.29
申请人	HITACHI LTD	发明人	MURAMATSU SADAO;KITAMURA TETSUO;YAMAMOTO YUUKI;KAWADA GENICHIROU;SAKURAI YOUSAKU
分类号	B66B13/06;B66B13/12	主分类号	B66B13/06
代理机构		代理人
主权项
地址

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