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发明名称
Automatic change-over device
摘要
申请公布号
US2354286(A)
申请公布日期
1944.07.25
申请号
US19420458293
申请日期
1942.09.14
申请人
PHILLIPS PETROLEUM COMPANY
发明人
JR. THOMAS H. WHALEY,
分类号
F17C13/04
主分类号
F17C13/04
代理机构
代理人
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地址
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