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发明名称
GRAIN BARRIER
摘要
申请公布号
GB8312155(D0)
申请公布日期
1983.06.08
申请号
GB19830012155
申请日期
1983.05.04
申请人
BOYS & BODEN LTD
发明人
分类号
E04H7/30;(IPC1-7):E04H7/22
主分类号
E04H7/30
代理机构
代理人
主权项
地址
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