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发明名称
Verfahren zur Herstellung von ringförmigen Kappen aus Papier, Pressspan oder dergleichen.
摘要
申请公布号
CH163362(A)
申请公布日期
1933.08.15
申请号
CHD163362
申请日期
1932.06.14
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
CIE. AKTIENGESELLSCHAFT BROWN, BOVERI &
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