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发明名称
Procédé de moulage de l'ébonite
摘要
申请公布号
FR39267(E)
申请公布日期
1931.10.12
申请号
FRD39267
申请日期
1930.11.14
申请人
发明人
LIOTARD EMILE-LEON-CLEMENT
分类号
B24D3/28
主分类号
B24D3/28
代理机构
代理人
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地址
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