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发明名称
Sampling apparatus
摘要
申请公布号
US2670629(A)
申请公布日期
1954.03.02
申请号
US19520292301
申请日期
1952.06.07
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
BELDEN DONALD H.
分类号
G01N1/20
主分类号
G01N1/20
代理机构
代理人
主权项
地址
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