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发明名称
Perfectionnements à la fabrication des enveloppes de sûreté pour imprimés, etc.
摘要
申请公布号
FR872998(A)
申请公布日期
1942.06.25
申请号
FRD872998
申请日期
1941.06.11
申请人
ALFRED WINKLER;MAX DU:NNEBIER
发明人
分类号
B31B19/00
主分类号
B31B19/00
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