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发明名称
Scavenging-air check valve for soot blowers
摘要
申请公布号
GB670839(A)
申请公布日期
1952.04.23
申请号
GB19490032586
申请日期
1949.12.20
申请人
ROBERT HUDSON WAGER
发明人
分类号
F28G15/00
主分类号
F28G15/00
代理机构
代理人
主权项
地址
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