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发明名称
Expansion joint
摘要
申请公布号
US2224148(A)
申请公布日期
1940.12.10
申请号
US19360082593
申请日期
1936.05.29
申请人
FISCHER ALBERT C
发明人
FISCHER ALBERT C.
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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