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发明名称
LOW WATER SAFETY DEVICES FOR OIL FIRED STEAM BOILERS
摘要
申请公布号
CA704363(A)
申请公布日期
1965.02.23
申请号
CAD704363
申请日期
申请人
SPANNER BOILERS LIMITED
发明人
ROY W. C. BLACK
分类号
主分类号
代理机构
代理人
主权项
地址
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