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发明名称
Lettre enveloppe
摘要
申请公布号
FR39447(E)
申请公布日期
1931.10.19
申请号
FRD39447
申请日期
1930.12.02
申请人
发明人
RIGNON JOSEPH-ALBERT
分类号
B42D15/08
主分类号
B42D15/08
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代理人
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