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经营范围
发明名称
TEMPORARY ROADWAY, PAVEMENT OR SUPPORT
摘要
申请公布号
CA450659(A)
申请公布日期
1948.08.24
申请号
CAD450659
申请日期
申请人
VASSAL CHARLES STEER-WEBSTER
发明人
VASSAL CHARLES STEER-WEBSTER
分类号
主分类号
代理机构
代理人
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