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发明名称
SAFETY DEVICE FOR DUST CHUTE
摘要
申请公布号
JPS5282871(A)
申请公布日期
1977.07.11
申请号
JP19750158106
申请日期
1975.12.29
申请人
SHIN MEIWA IND CO LTD
发明人
FUKUI SHIROU
分类号
E04F17/12;B65F5/00;E04F17/10
主分类号
E04F17/12
代理机构
代理人
主权项
地址
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