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发明名称
Equalizer and shutoff valve
摘要
申请公布号
US2368852(A)
申请公布日期
1945.02.06
申请号
US19430506209
申请日期
1943.10.14
申请人
PESCO PRODUCTS CO.
发明人
LAUCK JOHN A.
分类号
F15B11/22
主分类号
F15B11/22
代理机构
代理人
主权项
地址
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