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发明名称
摘要
申请公布号
GB1238395(A)
申请公布日期
1971.07.07
申请号
GBD1238395
申请日期
1969.07.28
申请人
发明人
分类号
F04B43/12;F04B43/14;G01N35/08
主分类号
F04B43/12
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代理人
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地址
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