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发明名称
Water tube box closure
摘要
申请公布号
US1992793(A)
申请公布日期
1935.02.26
申请号
US19330669329
申请日期
1933.05.04
申请人
THE BIGELOW COMPANY
发明人
WELTER GUSTAVE
分类号
F22B37/22
主分类号
F22B37/22
代理机构
代理人
主权项
地址
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