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发明名称
HIGHWAY GUARD FENCE
摘要
申请公布号
CA304252(A)
申请公布日期
1930.09.23
申请号
CAD304252
申请日期
申请人
THE MALLEABLE IRON FITTINGS COMPANY
发明人
ROLLAND G. WILLIAMS
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主分类号
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代理人
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