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经营范围
发明名称
Einrichtung zur Veränderung der Brennraumwandung von Gussglieder-Heizkesseln mittels Schamotteplatten.
摘要
申请公布号
CH299299(A)
申请公布日期
1954.06.15
申请号
CHD299299
申请日期
1952.02.19
申请人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE AG.
发明人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE AG.
分类号
F24H1/32;F24H9/18
主分类号
F24H1/32
代理机构
代理人
主权项
地址
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