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发明名称
Temperature indicating device
摘要
申请公布号
US1907540(A)
申请公布日期
1933.05.09
申请号
US19310551920
申请日期
1931.07.20
申请人
CHARLES ENGELHARD, INC.
发明人
HEBLER WILLIAM O.
分类号
F16D66/00
主分类号
F16D66/00
代理机构
代理人
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地址
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