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经营范围
发明名称
Heat regulating apparatus
摘要
申请公布号
US2474798(A)
申请公布日期
1949.06.28
申请号
US19410374970
申请日期
1941.01.18
申请人
LANDIS & GYR, A.-G.
发明人
AMSLER ROBERT
分类号
G05D23/275;H05B1/02
主分类号
G05D23/275
代理机构
代理人
主权项
地址
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