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发明名称
Expansion joint with asphalt and copper seal
摘要
申请公布号
US2172773(A)
申请公布日期
1939.09.12
申请号
US19360101187
申请日期
1936.09.17
申请人
THE TRANSLODE JOINT COMPANY
发明人
ROBERTSON ROBERT R.
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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