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发明名称
Adjustable paving layer
摘要
申请公布号
GB2224057(A)
申请公布日期
1990.04.25
申请号
GB19890020278
申请日期
1989.09.07
申请人
JOHN * DELANY
发明人
JOHN * DELANY
分类号
E01C19/15
主分类号
E01C19/15
代理机构
代理人
主权项
地址
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