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发明名称
摘要
申请公布号
CH573360(A5)
申请公布日期
1976.03.15
申请号
CH19740011286
申请日期
1971.02.25
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
C01C3/00;(IPC1-7):C01C3/00
主分类号
C01C3/00
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代理人
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