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发明名称
Vapor detecting device for determining paintability of masonry surfaces
摘要
申请公布号
US2534279(A)
申请公布日期
1950.12.19
申请号
US19470763981
申请日期
1947.07.26
申请人
L. SONNEBORN SONS, INC.
发明人
LIBERTHSON LEO
分类号
G01N31/22
主分类号
G01N31/22
代理机构
代理人
主权项
地址
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