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发明名称
Float valve structure
摘要
申请公布号
US1902967(A)
申请公布日期
1933.03.28
申请号
US19300428877
申请日期
1930.02.17
申请人
NORGE CORPORATION
发明人
MCPHAIL HAROLD ROY
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
主权项
地址
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