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发明名称
Perfectionnements aux filtres adoucisseurs d'eaux calcaires
摘要
申请公布号
FR775525(A)
申请公布日期
1934.12.31
申请号
FRD775525
申请日期
1933.09.28
申请人
发明人
BRUDENNE GUILLAUME, ALPHONSE
分类号
B01J4/00;C02F1/42
主分类号
B01J4/00
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代理人
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