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发明名称
Perfectionnements aux diamants pour vitriers et articles analogues
摘要
申请公布号
FR730055(A)
申请公布日期
1932.08.05
申请号
FRD730055
申请日期
1931.11.10
申请人
发明人
MEYERFELD MARCEL-GEORGES
分类号
C03B33/12
主分类号
C03B33/12
代理机构
代理人
主权项
地址
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