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发明名称
Procédé pour éprouver les copeaux ou éclats de bois ou autres matières servant à la fabrication d'articles de résonnance
摘要
申请公布号
FR682617(A)
申请公布日期
1930.05.30
申请号
FRD682617
申请日期
1929.10.02
申请人
发明人
KOPP RUDOLF;WEICKERT EDWIN
分类号
G01N29/11
主分类号
G01N29/11
代理机构
代理人
主权项
地址
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