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发明名称
Dispositif indiquant l'état de fonctionnement des filtres
摘要
申请公布号
FR1196752(A)
申请公布日期
1959.11.26
申请号
FRD1196752
申请日期
1958.06.07
申请人
VOKES LIMITED
发明人
分类号
B01D35/143;B01D46/42;F02M35/09
主分类号
B01D35/143
代理机构
代理人
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地址
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