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经营范围
发明名称
Hygro-thermostat
摘要
申请公布号
US1814585(A)
申请公布日期
1931.07.14
申请号
US19200415130
申请日期
1920.10.06
申请人
BRADBURY CLIFFORD C
发明人
BRADBURY CLIFFORD C.
分类号
G01N25/62
主分类号
G01N25/62
代理机构
代理人
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地址
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