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发明名称
Perfectionnements à la fermeture des soupapes des sacs à soupape
摘要
申请公布号
FR48464(E)
申请公布日期
1938.03.08
申请号
FRD48464
申请日期
1936.11.09
申请人
发明人
DUBOIS ALFRED
分类号
B65D30/24
主分类号
B65D30/24
代理机构
代理人
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