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经营范围
发明名称
Humidistat
摘要
申请公布号
US1755276(A)
申请公布日期
1930.04.22
申请号
US19270195512
申请日期
1927.05.31
申请人
SOMERS ROY B
发明人
SOMERS ROY B.
分类号
G01N19/10
主分类号
G01N19/10
代理机构
代理人
主权项
地址
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