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发明名称
Perfectionnements aux radiateurs
摘要
申请公布号
FR850250(A)
申请公布日期
1939.12.11
申请号
FRD850250
申请日期
1939.02.13
申请人
发明人
PETIT RAYMOND
分类号
F28D1/053
主分类号
F28D1/053
代理机构
代理人
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地址
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