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发明名称
Automatic tank fill valve
摘要
申请公布号
US2620818(A)
申请公布日期
1952.12.09
申请号
US19520264947
申请日期
1952.01.04
申请人
SYMMONS PAUL C
发明人
SYMMONS PAUL C.
分类号
F16K21/18
主分类号
F16K21/18
代理机构
代理人
主权项
地址
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