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发明名称
AUTOMATIC OPENING AND CLOSING DEVICE OF SMOKE VENT AND VENTILATOR IN STAIRCASE AND ROOM WITHOUT WINDOW
摘要
申请公布号
JPS5354846(A)
申请公布日期
1978.05.18
申请号
JP19760128779
申请日期
1976.10.28
申请人
MITSUI KEIKINZOKU KAKO
发明人
WATANABE TOORU
分类号
E06B7/084;A62C2/06;E05F15/20;E05F17/00;E06B5/16;E06B7/00;E06B7/086
主分类号
E06B7/084
代理机构
代理人
主权项
地址
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