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发明名称
Pipe-coil header
摘要
申请公布号
US1797636(A)
申请公布日期
1931.03.24
申请号
US19270237536
申请日期
1927.12.03
申请人
BUTLER GAY H
发明人
BUTLER GAY H.
分类号
F28D1/053;F28F9/02;F28F9/26
主分类号
F28D1/053
代理机构
代理人
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地址
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