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发明名称
Valve structure
摘要
申请公布号
US1802002(A)
申请公布日期
1931.04.21
申请号
US19260104542
申请日期
1926.04.26
申请人
THE HARRIS CALORIFIC COMPANY
发明人
JR. LORN CAMPBELL,
分类号
F16K31/60
主分类号
F16K31/60
代理机构
代理人
主权项
地址
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