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发明名称
Perfectionnement à la fabrication des tuyaux souples armés
摘要
申请公布号
FR810638(A)
申请公布日期
1937.03.24
申请号
FRD810638
申请日期
1936.09.16
申请人
MESNEL FRERES
发明人
分类号
B29C47/02;B29D23/00
主分类号
B29C47/02
代理机构
代理人
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