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发明名称
Zeichengeraet zum Ziehen paralleler Linien und zum Schraffieren
摘要
申请公布号
DE734659(C)
申请公布日期
1943.04.21
申请号
DE1941D084475D
申请日期
1941.02.27
申请人
LUDWIG DELP
发明人
DELP LUDWIG
分类号
B43L7/12
主分类号
B43L7/12
代理机构
代理人
主权项
地址
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