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发明名称
PERMEABILITY MEASURING SYSTEM
摘要
申请公布号
US3586858(A)
申请公布日期
1971.06.22
申请号
USD3586858
申请日期
1968.01.17
申请人
DRESSER INDUSTRIES INC.
发明人
ARTHUR H. YOUMANS
分类号
G01V5/10;(IPC1-7):G01T3/00
主分类号
G01V5/10
代理机构
代理人
主权项
地址
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