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发明名称
EXPANSION JOINT COVER
摘要
申请公布号
US3581450(A)
申请公布日期
1971.06.01
申请号
USD3581450
申请日期
1969.04.18
申请人
FRANCIS J. PATRY
发明人
FRANCIS J. PATRY
分类号
E04B1/62;E04B1/68;E04D3/366;(IPC1-7):E04D3/38
主分类号
E04B1/62
代理机构
代理人
主权项
地址
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