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经营范围
发明名称
Absorptionsmaterial fuer Schalldaempfer
摘要
申请公布号
DE665167(C)
申请公布日期
1938.09.22
申请号
DE1936S121828D
申请日期
1936.03.04
申请人
SERVAIS SILENCERS LIMITED
发明人
分类号
F01N1/24
主分类号
F01N1/24
代理机构
代理人
主权项
地址
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