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发明名称
Valve for hot gas mains
摘要
申请公布号
US1995727(A)
申请公布日期
1935.03.26
申请号
US19310578854
申请日期
1931.12.04
申请人
H. A. BRASSERT & CO.
发明人
WETHERBEE HARRY L.
分类号
C21B9/12
主分类号
C21B9/12
代理机构
代理人
主权项
地址
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