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发明名称
IMPROVED TRAILER
摘要
申请公布号
GB8728423(D0)
申请公布日期
1988.01.13
申请号
GB19870028423
申请日期
1987.12.04
申请人
DUFFIELD, L S;GROVE, D S
发明人
分类号
主分类号
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代理人
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