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发明名称
écrou-crépine pour extincteurs d'incendie
摘要
申请公布号
FR912582(A)
申请公布日期
1946.08.13
申请号
FRD912582
申请日期
1945.07.18
申请人
发明人
SCHIFFERS JEAN-MAXIMILIEN
分类号
A62C13/00
主分类号
A62C13/00
代理机构
代理人
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