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发明名称
TWO-WAY CHUTE APPARATUS
摘要
申请公布号
GB8529648(D0)
申请公布日期
1986.01.08
申请号
GB19850029648
申请日期
1985.12.02
申请人
QUALTER HALL & CO LTD
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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