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发明名称
Compartment valve construction
摘要
申请公布号
US2924231(A)
申请公布日期
1960.02.09
申请号
US19570639431
申请日期
1957.02.11
申请人
PENNSYLVANIA FURNACE AND IRON COMPANY
发明人
MANGINI ANDREW J.
分类号
F16K31/44
主分类号
F16K31/44
代理机构
代理人
主权项
地址
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