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发明名称
VALVE FOR FLUSH TANKS
摘要
申请公布号
CA307330(A)
申请公布日期
1931.01.06
申请号
CAD307330
申请日期
申请人
GEORGE B. MULLEN
发明人
GEORGE B. MULLEN
分类号
主分类号
代理机构
代理人
主权项
地址
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