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经营范围
发明名称
PERMEABILITY MEASURING SYSTEM
摘要
申请公布号
CA909398(A)
申请公布日期
1972.09.05
申请号
CAD909398
申请日期
申请人
DRESSER INDUSTRIES
发明人
ARTHUR H. YOUMANS
分类号
G01T3/00;G01V5/10;(IPC1-7):G01T3/00
主分类号
G01T3/00
代理机构
代理人
主权项
地址
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