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经营范围
发明名称
Protected concrete structure
摘要
申请公布号
US1953920(A)
申请公布日期
1934.04.10
申请号
US19320587702
申请日期
1932.01.20
申请人
PAN PACIFIC PILING AND CONSTRUCTION COMPANY
发明人
BLACKMAN JOHN W. B.
分类号
F16L13/12
主分类号
F16L13/12
代理机构
代理人
主权项
地址
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