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发明名称
Valve
摘要
申请公布号
US2073168(A)
申请公布日期
1937.03.09
申请号
US19300471723
申请日期
1930.07.30
申请人
ROBERTSHAW THERMOSTAT COMPANY
发明人
NEWELL ROBERT E.
分类号
G05D23/19
主分类号
G05D23/19
代理机构
代理人
主权项
地址
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