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发明名称
Exhaust machine and method of protecting exhaust systems
摘要
申请公布号
US2254905(A)
申请公布日期
1941.09.02
申请号
US19380242196
申请日期
1938.11.25
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
MULLAN DANIEL
分类号
H01J9/385
主分类号
H01J9/385
代理机构
代理人
主权项
地址
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