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经营范围
发明名称
VENTILSACK AUS KUNSTSTOFF.
摘要
申请公布号
DE1681346(U)
申请公布日期
1954.08.12
申请号
DE195400P6491U
申请日期
1954.04.22
申请人
PAPIERFABRIK WILHELMSTAL, WILHELM ERNST
发明人
分类号
主分类号
代理机构
代理人
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