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发明名称
Heat indicator
摘要
申请公布号
US2426077(A)
申请公布日期
1947.08.19
申请号
US19440548751
申请日期
1944.08.09
申请人
ALFRED BAK
发明人
BAK ALFRED
分类号
G01K5/70
主分类号
G01K5/70
代理机构
代理人
主权项
地址
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