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发明名称
EMERGENCY STAIRCASE
摘要
申请公布号
JPS5526380(A)
申请公布日期
1980.02.25
申请号
JP19780099489
申请日期
1978.08.17
申请人
HITACHI PLANT ENG & CONSTR CO
发明人
OOHAMA YUUKOU
分类号
E04F11/02
主分类号
E04F11/02
代理机构
代理人
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地址
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