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发明名称
SCHLUESSEL ZUM OEFFNEN VON FILMKASSETTEN AUS KUNSTSTOFF.
摘要
申请公布号
DE1626676(U)
申请公布日期
1951.08.09
申请号
DE195100H4776U
申请日期
1951.05.26
申请人
ADOLF HERRMANN
发明人
ADOLF HERRMANN
分类号
主分类号
代理机构
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