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经营范围
发明名称
Covered expansion joint
摘要
申请公布号
US2580034(A)
申请公布日期
1951.12.25
申请号
US19480066014
申请日期
1948.12.18
申请人
THE PATENT AND LICENSING CORPORATION
发明人
LYONS RICHARD T.
分类号
E04B1/68
主分类号
E04B1/68
代理机构
代理人
主权项
地址
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