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发明名称
Pèse-lettres
摘要
申请公布号
FR687635(A)
申请公布日期
1930.08.11
申请号
FRD687635
申请日期
1930.01.03
申请人
发明人
EHRECKE HERMANN
分类号
G01G19/00
主分类号
G01G19/00
代理机构
代理人
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