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发明名称
Gas valve
摘要
申请公布号
US2293947(A)
申请公布日期
1942.08.25
申请号
US19380230593
申请日期
1938.09.19
申请人
AUTOMATIC CONTROL CORPORATION
发明人
PERSONS LAWRENCE M.
分类号
G05D23/12
主分类号
G05D23/12
代理机构
代理人
主权项
地址
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