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发明名称
Massstab
摘要
申请公布号
DE840206(C)
申请公布日期
1952.05.29
申请号
DE1948P022274
申请日期
1948.11.21
申请人
HOPPLER ERNST
发明人
HOPPLER ERNST
分类号
B43L7/00
主分类号
B43L7/00
代理机构
代理人
主权项
地址
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