发明名称 |
Drehbares Zeichenbrett |
摘要 |
|
申请公布号 |
DE567973(C) |
申请公布日期 |
1933.01.12 |
申请号 |
DENDATB147705D |
申请日期 |
|
申请人 |
OTTO BADE |
发明人 |
|
分类号 |
B43L5/00 |
主分类号 |
B43L5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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