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经营范围
发明名称
Gefrierschutzmittel zur Herstellung von Kuehlsolen u. dgl.
摘要
申请公布号
DE638803(C)
申请公布日期
1936.11.23
申请号
DE1933K129124D
申请日期
1933.02.19
申请人
DR.-ING. WILHELM KLAPPROTH
发明人
分类号
C09K5/20
主分类号
C09K5/20
代理机构
代理人
主权项
地址
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