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发明名称
ELEVATOR DOOR DEVICE
摘要
PURPOSE:To provide a device to secure safety on sending cargo inan elevator by providing means to display that the door has opened to the specified position.
申请公布号
JPS52149739(A)
申请公布日期
1977.12.13
申请号
JP19760066582
申请日期
1976.06.09
申请人
HITACHI LTD
发明人
MURAMATSU SADAO
分类号
B66B3/00;B66B13/06;B66B13/14;B66B13/22;E05F15/00
主分类号
B66B3/00
代理机构
代理人
主权项
地址
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