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发明名称
CURVED ESCALATOR HAVING VERTICAL FLAT STEP RISER AND CONSTANT HORIZONTAL SPEED
摘要
申请公布号
JPH03138295(A)
申请公布日期
1991.06.12
申请号
JP19900277604
申请日期
1990.10.16
申请人
OTIS ELEVATOR CO
发明人
FURANKU EMU SANSEBUERO
分类号
B66B23/02;B66B21/06;B66B23/12
主分类号
B66B23/02
代理机构
代理人
主权项
地址
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