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经营范围
发明名称
Procédé et installation pour la préparation de sels d'ammonium
摘要
申请公布号
FR1070575(A)
申请公布日期
1954.07.29
申请号
FRD1070575
申请日期
1952.11.07
申请人
BERGWERKSVERBAND ZUR VERWERTUNG VON SCHUTZRECHTEN DER KOHLENTECHNIK G.M.B.H.
发明人
分类号
C01B17/64;C01C1/247
主分类号
C01B17/64
代理机构
代理人
主权项
地址
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