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发明名称
GATE-VALVE DEVICE
摘要
申请公布号
CA343923(A)
申请公布日期
1934.08.14
申请号
CAD343923
申请日期
申请人
THE AUTOMATIC SPRINKLER COMPANY OF AMERICA
发明人
ERNEST A. LOWE;JOHN R. HAMILTON
分类号
主分类号
代理机构
代理人
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