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发明名称
Antifreeze solution indicator
摘要
申请公布号
US2212809(A)
申请公布日期
1940.08.27
申请号
US19370128899
申请日期
1937.03.04
申请人
E. EDELMANN & CO.
发明人
ERICSON WILLARD E.
分类号
G01N9/26
主分类号
G01N9/26
代理机构
代理人
主权项
地址
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