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经营范围
发明名称
Alimentateur automatique pour chaudières à vapeur
摘要
申请公布号
FR747510(A)
申请公布日期
1933.06.19
申请号
FRD747510
申请日期
1932.12.14
申请人
发明人
CHEVALET LOUIS-EUGENE-ERNEST
分类号
F22D5/24
主分类号
F22D5/24
代理机构
代理人
主权项
地址
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