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发明名称
Plugged telltale hole
摘要
申请公布号
US2042309(A)
申请公布日期
1936.05.26
申请号
US19340750160
申请日期
1934.10.26
申请人
FENNELLE HENRY SAM
发明人
HENRY SAM FENNELLE
分类号
F17D5/02
主分类号
F17D5/02
代理机构
代理人
主权项
地址
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