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发明名称
Tube composite
摘要
申请公布号
FR1406971(A)
申请公布日期
1965.07.23
申请号
FR19640987464
申请日期
1964.09.08
申请人
CALUMET & HECLA, INC.
发明人
分类号
F28F1/00;F28F1/40;F28F21/08
主分类号
F28F1/00
代理机构
代理人
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