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发明名称
摘要
申请公布号
SE341622(B)
申请公布日期
1972.01.10
申请号
SE19670017486
申请日期
1967.12.20
申请人
MINISTER OF AVIATION SUPPLY
发明人
JOHNSON J
分类号
D01F9/22;D01F9/32;D01F11/12;D01F11/16;D06Q1/02;(IPC1-7):C01B31/02
主分类号
D01F9/22
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代理人
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地址
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