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发明名称
LUFTDURCHLAESSIGER, TROPFENDICHTER BEHAELTER FUER FEUCHTES GUT.
摘要
申请公布号
DE1672088(U)
申请公布日期
1954.02.18
申请号
DE1953R007844U
申请日期
1953.12.11
申请人
RHEINISCHE GUMMI- UND CELLULOID-FABRIK
发明人
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主分类号
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