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经营范围
发明名称
Improvements in thermostats
摘要
申请公布号
GB650415(A)
申请公布日期
1951.02.21
申请号
GB19480019500
申请日期
1948.07.21
申请人
RAGNAR CARLSTEDT
发明人
分类号
G05D23/02;G05D23/12
主分类号
G05D23/02
代理机构
代理人
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