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经营范围
发明名称
Perfectionnements aux chaudières field
摘要
申请公布号
FR997535(A)
申请公布日期
1952.01.07
申请号
FRD997535
申请日期
1949.09.20
申请人
发明人
PORAY MARCEL-CYPRIEN KUCZEWSKI DE
分类号
F22B23/00
主分类号
F22B23/00
代理机构
代理人
主权项
地址
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