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发明名称
Improvements in combined high and low water alarms for boilers
摘要
申请公布号
GB504044(A)
申请公布日期
1939.04.19
申请号
GB19370029061
申请日期
1937.10.25
申请人
HOPKINSONS LIMITED;RICHARD LESLIE BROWN
发明人
分类号
F22B37/42
主分类号
F22B37/42
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