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发明名称
Masque monobloc anti-poussières
摘要
申请公布号
FR820278(A)
申请公布日期
1937.11.08
申请号
FRD820278
申请日期
1937.04.03
申请人
发明人
BRISON JULES
分类号
A62B23/02
主分类号
A62B23/02
代理机构
代理人
主权项
地址
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