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发明名称
Valve construction
摘要
申请公布号
US1938984(A)
申请公布日期
1933.12.12
申请号
US19310580362
申请日期
1931.12.11
申请人
GIBSON REFRIGERATOR COMPANY
发明人
SMITH RUSSELL T.
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
主权项
地址
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