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经营范围
发明名称
Corrugated sheet metal culvert
摘要
申请公布号
US3304955(A)
申请公布日期
1967.02.21
申请号
US19630299372
申请日期
1963.08.01
申请人
KAISER ALUMINUM & CHEMICAL CORPORATION
发明人
ZINNIGER THEODORE C.
分类号
F16L9/17
主分类号
F16L9/17
代理机构
代理人
主权项
地址
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