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发明名称
Traffic lane dividers
摘要
申请公布号
US3084604(A)
申请公布日期
1963.04.09
申请号
US19570698300
申请日期
1957.11.22
申请人
KLEMP METAL GRATING CORPORATION
发明人
GREENHILL HY
分类号
E01F9/087
主分类号
E01F9/087
代理机构
代理人
主权项
地址
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