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发明名称
Safety shutoff for helium supplies
摘要
申请公布号
US3009479(A)
申请公布日期
1961.11.21
申请号
US19590832266
申请日期
1959.08.07
申请人
UNITED AIRCRAFT CORPORATION
发明人
FLANDERS THEODORE A.;NAPLES PHILIP V.
分类号
F16K17/32;G21C9/00
主分类号
F16K17/32
代理机构
代理人
主权项
地址
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