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发明名称
Protective Gas and Gas Supply for Metallurgical Purposes
摘要
申请公布号
GB1152227(A)
申请公布日期
1969.05.14
申请号
GB19670030682
申请日期
1967.07.04
申请人
MESSER GRIESHEIM GMBH
发明人
分类号
B01J19/14;C21D1/76;C22F1/02;F17C9/02
主分类号
B01J19/14
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