A hydrogen detector having a hydrogen-permeable membrane between the atmosphere and the inside of a vacuum tube is heated by an adjacent filament located within the tube.
申请公布号
US4477778(A)
申请公布日期
1984.10.16
申请号
US19820357865
申请日期
1982.03.15
申请人
LAWRENCE ELECTRONICS CO.;LAWRENCE, JULIA F.
发明人
LAWRENCE, JR. DECEASED, SAMUEL C.;LAWRENCE EXECUTRIX, BY JULIA F.;LAWRENSON, GARY M.
