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发明名称
Radiator valve
摘要
申请公布号
US1941359(A)
申请公布日期
1933.12.26
申请号
US19310538526
申请日期
1931.05.19
申请人
LAWLER AUTOMATIC CONTROLS, INC.
发明人
LAWLER JAMES R.
分类号
F16K31/68;G05D23/12
主分类号
F16K31/68
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