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发明名称
Structural curb
摘要
申请公布号
US2168798(A)
申请公布日期
1939.08.08
申请号
US19380199212
申请日期
1938.03.31
申请人
W. F. HIRSCHMAN CO., INC.
发明人
HIRSCHMAN WILLIAM F.
分类号
E04D13/14
主分类号
E04D13/14
代理机构
代理人
主权项
地址
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