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发明名称
Mechanism for building submerged structures
摘要
申请公布号
US1946389(A)
申请公布日期
1934.02.06
申请号
US19320618218
申请日期
1932.06.20
申请人
MERRITT-CHAPMAN AND SCOTT CORPORATION
发明人
CHRISTIANSEN CHRISTIAN B.
分类号
F16L1/20
主分类号
F16L1/20
代理机构
代理人
主权项
地址
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