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发明名称
Gas pressure apparatus
摘要
申请公布号
US1917846(A)
申请公布日期
1933.07.11
申请号
US19290362343
申请日期
1929.05.11
申请人
CENTRAL SCIENTIFIC COMPANY
发明人
KLOPSTEG PAUL E.
分类号
G01N7/00
主分类号
G01N7/00
代理机构
代理人
主权项
地址
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