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发明名称
Lift bridge
摘要
申请公布号
US1909431(A)
申请公布日期
1933.05.16
申请号
US19260132382
申请日期
1926.08.30
申请人
STRAUSS JOSEPH B
发明人
STRAUSS JOSEPH B.
分类号
E01D15/02
主分类号
E01D15/02
代理机构
代理人
主权项
地址
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