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发明名称
EXPANSION JOINT SEAL
摘要
申请公布号
US3555982(A)
申请公布日期
1971.01.19
申请号
USD3555982
申请日期
1968.08.13
申请人
JOSEPH D. GEORGE
发明人
JOSEPH D. GEORGE
分类号
E01D19/06;(IPC1-7):E01C11/10
主分类号
E01D19/06
代理机构
代理人
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