A valve cover for a gas storage cylinder comprising a support member affixed to the cylinder and a cap member matingly engageable to the support member by means of a double-acting lock.
申请公布号
US4645091(A)
申请公布日期
1987.02.24
申请号
US19850798982
申请日期
1985.11.18
申请人
UNION CARBIDE CORPORATION
发明人
MADDEN, PAUL R.;KOSTANECKI, ANDREW T.;MILEOS, GEORGE;MICHNO, JR., MICHAEL J.
