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发明名称
Apparatus for determining the gaseous content of materials
摘要
申请公布号
US2141977(A)
申请公布日期
1938.12.27
申请号
US19360117054
申请日期
1936.12.21
申请人
EARL GRAY CHESTER
发明人
GRAY CHESTER EARL
分类号
G01N7/00
主分类号
G01N7/00
代理机构
代理人
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