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发明名称
Assemblage de tubes et boulon de fixation pour cet assemblage
摘要
申请公布号
FR830628(A)
申请公布日期
1938.08.04
申请号
FRD830628
申请日期
1937.12.10
申请人
发明人
LAFONTAINE FERNAND
分类号
F16B12/42
主分类号
F16B12/42
代理机构
代理人
主权项
地址
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