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发明名称
VALVE FOR FIRE PROTECTIVE SYSTEM
摘要
申请公布号
CA444585(A)
申请公布日期
1947.10.21
申请号
CAD444585
申请日期
申请人
LEROY M. LEWIS
发明人
LEROY M. LEWIS
分类号
主分类号
代理机构
代理人
主权项
地址
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