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经营范围
发明名称
Emergency release valve
摘要
申请公布号
US1878002(A)
申请公布日期
1932.09.20
申请号
US19300494373
申请日期
1930.11.08
申请人
GEORGE W. BEATTY
发明人
SMITH FRANCIS X.
分类号
G05D16/10
主分类号
G05D16/10
代理机构
代理人
主权项
地址
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