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发明名称
Piston de fermeture pour réservoirs de gaz ne contenant pas d'eau
摘要
申请公布号
FR728369(A)
申请公布日期
1932.07.05
申请号
FRD728369
申请日期
1931.12.17
申请人
AUG. KLONNE
发明人
分类号
F17B1/04
主分类号
F17B1/04
代理机构
代理人
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