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发明名称
Bocal à double ou triple usage
摘要
申请公布号
FR762839(A)
申请公布日期
1934.04.19
申请号
FRD762839
申请日期
1933.10.23
申请人
发明人
DARAGON EMILE
分类号
G09B23/38
主分类号
G09B23/38
代理机构
代理人
主权项
地址
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