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发明名称
Arch supporting siphon
摘要
申请公布号
US2148121(A)
申请公布日期
1939.02.21
申请号
US19370136488
申请日期
1937.04.12
申请人
DOWNFLOW SYPHON COMPANY
发明人
HAWLEY CHARLES GILBERT
分类号
F22B13/10
主分类号
F22B13/10
代理机构
代理人
主权项
地址
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