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发明名称
Doseur de matière pulvérulente
摘要
申请公布号
FR1146448(A)
申请公布日期
1957.11.12
申请号
FRD1146448
申请日期
1956.04.05
申请人
SOCIETE DES ETABLISSEMENTS DAUBRON
发明人
分类号
G01F13/00
主分类号
G01F13/00
代理机构
代理人
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