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发明名称
Procédé et appareil de fabrication de pièces de feutre telles que des diffuseurs pour haut-parleurs
摘要
申请公布号
FR1166400(A)
申请公布日期
1958.11.05
申请号
FRD1166400
申请日期
1957.02.19
申请人
THE PLESSEY COMPANY LIMITED
发明人
分类号
D21J5/00
主分类号
D21J5/00
代理机构
代理人
主权项
地址
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