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发明名称
CURB AND GUTTER SECTION EXTRACTOR
摘要
申请公布号
US3542435(A)
申请公布日期
1970.11.24
申请号
USD3542435
申请日期
1967.10.27
申请人
GEORGE E. HERRMANN
发明人
GEORGE E. HERRMANN
分类号
E01C23/12;E02F3/40;E02F3/96;(IPC1-7):E21C47/00
主分类号
E01C23/12
代理机构
代理人
主权项
地址
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