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发明名称
Zeichengeraet
摘要
申请公布号
DE1011322(B)
申请公布日期
1957.06.27
申请号
DE1952M015957
申请日期
1952.10.20
申请人
EWALD MUND
发明人
MUND EWALD
分类号
B43L7/00
主分类号
B43L7/00
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代理人
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