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经营范围
发明名称
Nitrogen recorder
摘要
申请公布号
US2846590(A)
申请公布日期
1958.08.05
申请号
US19560572060
申请日期
1956.03.16
申请人
CALIFORNIA RESEARCH CORPORATION
发明人
DAVIS VINCENT C.;AUSMAN MILTON A.
分类号
G01N21/79
主分类号
G01N21/79
代理机构
代理人
主权项
地址
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