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发明名称
Elément filtrant pour aérosols et procédé pour sa fabrication.
摘要
申请公布号
CH190552(A)
申请公布日期
1937.04.30
申请号
CHD190552
申请日期
1935.03.22
申请人
SOCIETA ITALIANA PIRELLI
发明人
PIRELLI SOCIETA ITALIANA
分类号
主分类号
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代理人
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