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经营范围
发明名称
Expansion joint
摘要
申请公布号
US2139851(A)
申请公布日期
1938.12.13
申请号
US19360060034
申请日期
1936.01.21
申请人
RUBATEX PRODUCTS, INC.
发明人
ROBERTS DUDLEY
分类号
E01C11/10
主分类号
E01C11/10
代理机构
代理人
主权项
地址
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