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发明名称
Perfectionnements apportés à la fabrication des tubes en matière souple particulièrement destinés à servir d'enveloppes
摘要
申请公布号
FR850504(A)
申请公布日期
1939.12.19
申请号
FRD850504
申请日期
1939.02.18
申请人
SYLVANIA INDUSTRIAL CORPORATION
发明人
分类号
A22C13/00
主分类号
A22C13/00
代理机构
代理人
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