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发明名称
VORRICHTUNG ZUM INEINANDERFLECHTEN DER SPRUNGFEDERN VON MATRATZEN.
摘要
申请公布号
DE1737822(U)
申请公布日期
1957.01.17
申请号
DE195500G2120U
申请日期
1955.08.06
申请人
GERHARD GRZANKA
发明人
GERHARD GRZANKA
分类号
主分类号
代理机构
代理人
主权项
地址
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