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发明名称
Abstandhalter an Karteikarten.
摘要
申请公布号
CH288448(A)
申请公布日期
1953.01.31
申请号
CHD288448
申请日期
1951.02.06
申请人
HABERFELD,ERWIN OTTO
发明人
OTTO HABERFELD,ERWIN
分类号
B42F17/32
主分类号
B42F17/32
代理机构
代理人
主权项
地址
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