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发明名称
Method and means for preventing leakage in valves
摘要
申请公布号
US1826941(A)
申请公布日期
1931.10.13
申请号
US19260099243
申请日期
1926.04.02
申请人
LA MONT CORPORATION
发明人
MONT WALTER DOUGLAS LA
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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