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发明名称
LOCKING COMBINATION FOR NESTABLE CULVERT
摘要
申请公布号
CA659218(A)
申请公布日期
1963.03.12
申请号
CAD659218
申请日期
申请人
ARMCO STEEL CORPORATION
发明人
HERNANDO J. MONTOYA;GEORGE W. UNDERWOOD
分类号
主分类号
代理机构
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